AS2907
Research Organization of Information and Systems
SINET-AS Research Organization of Information and Systems
Organization
Title
Research Organization of Information and Systems
Website
http://www.sinet.ad.jp/
Details
Regional Internet registry
APNIC
IP Addresses count
8,935,488
Coordinates
Country
Japan
Summary
The organization Research Organization of Information and Systems allocates 631 IP netblocks under the autonomous system number
(ASN ) of 2907.
The regional internet registry (RIR ) for this ASN is APNIC.
The country in which these IPs are located is Japan (JP), which is on #18 out of 249 countries by the total amount of ASNs allocated - 1,129.
AS2907 has 106 peers, 3 upstreams and 82 downstreams with a total of 8,935,488 IP addresses.
AS2907 has 106 peers, 3 upstreams and 82 downstreams with a total of 8,935,488 IP addresses.
IP Address ranges
| Block | Description | IPs count |
|---|---|---|
| 130.34.0.0/16 | Tohoku University | 65,536 |
| 130.153.0.0/16 | The University of Electro-Communications | 65,536 |
| 131.206.0.0/16 | Kyushu Institute of Technology | 65,536 |
| 133.6.0.0/16 | Japan Network Information Center | 65,536 |
| 133.7.0.0/16 | Japan Network Information Center | 65,536 |
| 133.8.0.0/16 | Japan Network Information Center | 65,536 |
| 133.10.0.0/16 | Japan Network Information Center | 65,536 |
| 133.12.0.0/16 | Japan Network Information Center | 65,536 |
| 133.14.0.0/16 | Japan Network Information Center | 65,536 |
| 133.15.0.0/16 | Japan Network Information Center | 65,536 |
| 133.16.0.0/16 | Japan Network Information Center | 65,536 |
| 133.17.0.0/16 | Japan Network Information Center | 65,536 |
| 133.17.7.0/24 | Japan Network Information Center | 256 |
| 133.20.0.0/16 | Japan Network Information Center | 65,536 |
| 133.21.0.0/16 | Japan Network Information Center | 65,536 |
| 133.23.0.0/16 | Japan Network Information Center | 65,536 |
| 133.29.0.0/16 | Japan Network Information Center | 65,536 |
| 133.30.0.0/16 | Japan Network Information Center | 65,536 |
| 133.32.0.0/18 | Japan Network Information Center Kobe Design University | 16,384 |
| 133.32.64.0/19 | Japan Network Information Center Kobe Design University | 8,192 |
| 133.32.96.0/20 | Japan Network Information Center Kobe Design University | 4,096 |
| 133.32.112.0/21 | Japan Network Information Center Kobe Design University | 2,048 |
| 133.32.120.0/22 | Japan Network Information Center Kobe Design University | 1,024 |
| 133.32.128.0/20 | Japan Network Information Center Kobe Design University | 4,096 |
| 133.32.144.0/21 | Japan Network Information Center Kobe Design University | 2,048 |
| 133.32.156.0/22 | Japan Network Information Center Kobe Design University | 1,024 |
| 133.32.160.0/22 | Japan Network Information Center Kobe Design University | 1,024 |
| 133.32.168.0/22 | Kobe Design University | 1,024 |
| 133.32.200.0/21 | Kobe Design University | 2,048 |
| 133.34.0.0/16 | Japan Network Information Center | 65,536 |
| 133.35.0.0/16 | Japan Network Information Center | 65,536 |
| 133.37.0.0/16 | Japan Network Information Center | 65,536 |
| 133.38.0.0/16 | Japan Network Information Center | 65,536 |
| 133.39.0.0/16 | Japan Network Information Center | 65,536 |
| 133.44.0.0/16 | Japan Network Information Center | 65,536 |
| 133.45.0.0/16 | Japan Network Information Center | 65,536 |
| 133.46.0.0/16 | Japan Network Information Center | 65,536 |
| 133.46.248.0/21 | Japan Network Information Center | 2,048 |
| 133.47.0.0/16 | Japan Network Information Center | 65,536 |
| 133.48.0.0/16 | Japan Network Information Center | 65,536 |
| 133.49.0.0/16 | Japan Network Information Center | 65,536 |
| 133.50.0.0/16 | Japan Network Information Center | 65,536 |
| 133.50.18.0/24 | Japan Network Information Center | 256 |
| 133.52.0.0/16 | Japan Network Information Center | 65,536 |
| 133.54.0.0/18 | Japan Network Information Center | 16,384 |
| 133.54.64.0/21 | Japan Network Information Center | 2,048 |
| 133.54.76.0/24 | Japan Network Information Center | 256 |
| 133.54.77.0/24 | Japan Network Information Center | 256 |
| 133.54.78.0/23 | Japan Network Information Center | 512 |
| 133.54.80.0/20 | Japan Network Information Center | 4,096 |
| 133.54.96.0/19 | Japan Network Information Center | 8,192 |
| 133.54.128.0/17 | Japan Network Information Center | 32,768 |
| 133.55.0.0/16 | Japan Network Information Center | 65,536 |
| 133.57.0.0/16 | Japan Network Information Center | 65,536 |
| 133.58.0.0/16 | Japan Network Information Center | 65,536 |
| 133.60.0.0/16 | Japan Network Information Center | 65,536 |
| 133.62.0.0/16 | Japan Network Information Center | 65,536 |
| 133.63.0.0/16 | Japan Network Information Center | 65,536 |
| 133.65.0.0/16 | Japan Network Information Center | 65,536 |
| 133.68.0.0/16 | Japan Network Information Center | 65,536 |
| 133.72.0.0/16 | Japan Network Information Center | 65,536 |
| 133.73.0.0/16 | Japan Network Information Center | 65,536 |
| 133.74.0.0/16 | Japan Network Information Center | 65,536 |
| 133.74.192.0/18 | Japan Network Information Center | 16,384 |
| 133.77.0.0/16 | Japan Network Information Center | 65,536 |
| 133.78.0.0/16 | Japan Network Information Center | 65,536 |
| 133.81.0.0/16 | Japan Network Information Center | 65,536 |
| 133.82.0.0/16 | Japan Network Information Center | 65,536 |
| 133.83.0.0/16 | Japan Network Information Center | 65,536 |
| 133.85.0.0/16 | Japan Network Information Center | 65,536 |
| 133.86.0.0/16 | Japan Network Information Center | 65,536 |
| 133.87.0.0/16 | Japan Network Information Center | 65,536 |
| 133.89.0.0/17 | Japan Network Information Center | 32,768 |
| 133.89.0.0/16 | Japan Network Information Center | 65,536 |
| 133.89.128.0/17 | Japan Network Information Center | 32,768 |
| 133.94.0.0/16 | Japan Network Information Center | 65,536 |
| 133.95.0.0/16 | Japan Network Information Center | 65,536 |
| 133.96.0.0/16 | Japan Network Information Center | 65,536 |
| 133.98.0.0/16 | Japan Network Information Center | 65,536 |
| 133.102.0.0/16 | Japan Network Information Center | 65,536 |
| 133.103.0.0/16 | Japan Network Information Center | 65,536 |
| 133.104.0.0/16 | Japan Network Information Center | 65,536 |
| 133.106.0.0/21 | Ashikaga Institute of Technology | 2,048 |
| 133.187.0.0/16 | Japan Network Information Center | 65,536 |
| 133.220.0.0/16 | Japan Network Information Center | 65,536 |
| 133.220.255.240/28 | Japan Network Information Center | 16 |
| 134.160.186.0/24 | RIKEN | 256 |
| 134.160.188.0/22 | RIKEN | 1,024 |
| 136.187.0.0/16 | National Institute of Informatics | 65,536 |
| 144.213.0.0/16 | National Institute for Materials Science | 65,536 |
| 144.213.2.0/24 | National Institute for Materials Science | 256 |
| 144.213.253.0/24 | National Institute for Materials Science | 256 |
| 147.157.0.0/17 | Tsukuba College of Technology | 32,768 |
| 147.157.85.0/24 | Tsukuba College of Technology | 256 |
| 147.157.128.0/17 | Tsukuba College of Technology | 32,768 |
| 150.7.0.0/16 | Japan Network Information Center | 65,536 |
| 150.7.248.0/24 | Japan Network Information Center | 256 |
| 150.7.249.0/24 | Japan Network Information Center | 256 |
| 150.7.250.0/24 | Japan Network Information Center | 256 |
| 150.7.251.0/24 | Japan Network Information Center | 256 |
| 150.12.0.0/16 | Japan Network Information Center | 65,536 |
| 150.15.0.0/16 | Japan Network Information Center | 65,536 |
| 150.22.0.0/22 | Osaka Medical College | 1,024 |
| 150.42.0.0/16 | Japan Network Information Center | 65,536 |
| 150.43.0.0/16 | Japan Network Information Center | 65,536 |
| 150.46.0.0/16 | Japan Network Information Center | 65,536 |
| 150.54.0.0/16 | Japan Network Information Center | 65,536 |
| 150.59.0.0/16 | Japan Network Information Center | 65,536 |
| 150.69.0.0/16 | Japan Network Information Center | 65,536 |
| 150.83.0.0/16 | Japan Network Information Center | 65,536 |
| 150.84.0.0/16 | Japan Network Information Center | 65,536 |
| 150.86.0.0/16 | Japan Network Information Center | 65,536 |
| 150.89.0.0/17 | Japan Network Information Center | 32,768 |
| 150.89.128.0/17 | Japan Network Information Center | 32,768 |
| 150.89.160.0/20 | Japan Network Information Center | 4,096 |
| 150.93.0.0/17 | Japan Network Information Center | 32,768 |
| 150.93.0.0/16 | Japan Network Information Center | 65,536 |
| 150.93.128.0/17 | Japan Network Information Center | 32,768 |
| 150.97.0.0/16 | Japan Network Information Center | 65,536 |
| 150.99.0.0/16 | Japan Network Information Center | 65,536 |
| 150.100.0.0/16 | Japan Network Information Center | 65,536 |
| 157.1.0.0/16 | Research Organization of Information and Systems, National Institute of Informatics | 65,536 |
| 157.6.0.0/16 | Fukui Prefectural University | 65,536 |
| 157.13.0.0/16 | Kindai Univercity, Faculty of Humanity-Oriented Science and Engineering | 65,536 |
| 157.13.129.0/24 | Kindai Univercity, Faculty of Humanity-Oriented Science and Engineering | 256 |
| 157.17.0.0/17 | Reitaku University Reitaku University | 32,768 |
| 157.19.0.0/16 | National University Corporation Muroran Institute of Technology | 65,536 |
| 157.63.0.0/16 | Teikyo University of Science | 65,536 |
| 157.76.0.0/16 | Ube Frontier University | 65,536 |
| 157.80.0.0/16 | Ibaraki University | 65,536 |
| 157.82.112.0/21 | University of Tokyo | 2,048 |
| 157.102.0.0/16 | Teikyo University | 65,536 |
| 157.105.0.0/16 | National University Corporation Tokyo Gakugei University | 65,536 |
| 157.111.0.0/16 | National Institutes for Quantum and Radiological Science and Technology | 65,536 |
| 157.111.1.0/24 | National Institutes for Quantum and Radiological Science and Technology | 256 |
| 157.111.7.0/24 | National Institutes for Quantum and Radiological Science and Technology | 256 |
| 157.111.8.0/24 | National Institutes for Quantum and Radiological Science and Technology | 256 |
| 157.111.9.0/24 | National Institutes for Quantum and Radiological Science and Technology | 256 |
| 157.111.10.0/24 | National Institutes for Quantum and Radiological Science and Technology | 256 |
| 157.114.0.0/16 | Institue National Colleges of Technology, Japan | 65,536 |
| 158.203.0.0/16 | Japan Network Information Center | 65,536 |
| 158.208.0.0/16 | Japan Network Information Center | 65,536 |
| 158.210.0.0/16 | Japan Network Information Center | 65,536 |
| 158.215.0.0/16 | Japan Network Information Center | 65,536 |
| 160.11.0.0/16 | Nara Women's University | 65,536 |
| 160.11.248.0/21 | Nara Women's University | 2,048 |
| 160.12.0.0/16 | Utsunomiya University | 65,536 |
| 160.15.0.0/16 | Tottori University | 65,536 |
| 160.18.2.0/24 | Institue National Colleges of Technology, Japan | 256 |
| 160.18.100.0/24 | Institue National Colleges of Technology, Japan | 256 |
| 160.18.128.0/24 | Institue National Colleges of Technology, Japan | 256 |
| 160.18.136.0/23 | Institue National Colleges of Technology, Japan | 512 |
| 160.18.148.0/23 | Institue National Colleges of Technology, Japan | 512 |
| 160.18.216.0/23 | Institue National Colleges of Technology, Japan | 512 |
| 160.18.220.0/23 | Institue National Colleges of Technology, Japan | 512 |
| 160.18.224.0/24 | Institue National Colleges of Technology, Japan | 256 |
| 160.28.0.0/16 | Miyagi University of Education | 65,536 |
| 160.28.12.0/23 | Miyagi University of Education | 512 |
| 160.29.0.0/16 | Iwate University | 65,536 |
| 160.190.0.0/16 | National Cancer Center | 65,536 |
| 160.193.0.0/16 | University Public Corporation Osaka | 65,536 |
| 160.194.0.0/16 | Meisei University | 65,536 |
| 160.198.0.0/16 | University of Occupational and Environmental Health ,Japan | 65,536 |
| 160.202.0.0/21 | Meteorological Research Institute Meteorological Research Institute | 2,048 |
| 160.204.0.0/16 | Naruto University of Education | 65,536 |
| 160.237.0.0/18 | Tama University Tama University | 16,384 |
| 160.237.192.0/18 | Tama University Tama University | 16,384 |
| 160.238.1.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.2.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.3.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.4.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.5.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.6.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.7.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.8.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.9.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.10.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.20.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.30.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.32.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.40.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.51.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.56.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.62.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.238.100.0/24 | Public niversity Corporation Oita Prefectural College of Arts and Culture Public University Corporation Oita Prefectural College of Arts and Culture | 256 |
| 160.244.0.0/16 | Tezukayama University | 65,536 |
| 160.245.112.0/24 | Institue National Colleges of Technology, Japan | 256 |
| 160.247.0.0/16 | Konan University | 65,536 |
| 160.252.0.0/16 | Shinshu University | 65,536 |
| 163.42.0.0/16 | Geographical Survey Institute Ministry of Land,Infrastructure and Transport | 65,536 |
| 163.47.1.0/24 | Tokyo Metropolitan College of Industrial Technology Tokyo Metropolitan College of Industrial Technology | 256 |
| 163.47.2.0/23 | Tokyo Metropolitan College of Industrial Technology Tokyo Metropolitan College of Industrial Technology | 512 |
| 163.47.23.0/24 | Tokyo Metropolitan College of Industrial Technology Tokyo Metropolitan College of Industrial Technology | 256 |
| 163.47.24.0/24 | Tokyo Metropolitan College of Industrial Technology | 256 |
| 163.47.29.0/24 | Tokyo Metropolitan College of Industrial Technology Tokyo Metropolitan College of Industrial Technology | 256 |
| 163.51.0.0/16 | Kindai University | 65,536 |
| 163.51.161.0/24 | Kindai University | 256 |
| 163.51.162.0/23 | Kindai University | 512 |
| 163.51.164.0/22 | Kindai University | 1,024 |
| 163.51.168.0/22 | Kindai University | 1,024 |
| 163.51.172.0/23 | Kindai University | 512 |
| 163.51.174.0/24 | Kindai University | 256 |
| 163.54.0.0/16 | Aomori Public University | 65,536 |
| 163.130.0.0/16 | Japan Network Information Center | 65,536 |
| 163.134.0.0/16 | Japan Network Information Center | 65,536 |
| 163.136.0.0/16 | Japan Network Information Center | 65,536 |
| 163.143.0.0/16 | Japan Network Information Center | 65,536 |
| 163.148.0.0/16 | Japan Network Information Center | 65,536 |
| 163.209.0.0/16 | Kagoshima University | 65,536 |
| 163.212.0.0/16 | Yokohama City University | 65,536 |
| 163.212.29.0/24 | Yokohama City University | 256 |
| 163.212.37.0/24 | Yokohama City University | 256 |
| 163.212.255.0/24 | Yokohama City University | 256 |
| 163.214.0.0/16 | Aichi-Gakuin University | 65,536 |
| 163.215.0.0/16 | Tokyo University Of Technology | 65,536 |
| 163.220.0.0/17 | National Institute of Advanced Industrial Science and Technology National Institute of Advanced Industrial Science and Technology | 32,768 |
| 163.220.128.0/20 | National Institute of Advanced Industrial Science and Technology National Institute of Advanced Industrial Science and Technology | 4,096 |
| 163.220.176.0/20 | National Institute of Advanced Industrial Science and Technology National Institute of Advanced Industrial Science and Technology | 4,096 |
| 163.225.0.0/16 | Okayama Prefectural University | 65,536 |
| 164.161.0.0/16 | Tokyo University of Marine Science and Technology | 65,536 |
| 164.161.7.0/28 | Tokyo University of Marine Science and Technology | 16 |
| 164.161.8.0/24 | Tokyo University of Marine Science and Technology | 256 |
| 164.161.9.0/24 | Tokyo University of Marine Science and Technology | 256 |
| 164.161.11.0/24 | Tokyo University of Marine Science and Technology | 256 |
| 164.161.13.0/24 | Tokyo University of Marine Science and Technology | 256 |
| 164.161.16.0/24 | Tokyo University of Marine Science and Technology | 256 |
| 164.161.17.0/24 | Tokyo University of Marine Science and Technology | 256 |
| 164.161.18.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.20.0/22 | Tokyo University of Marine Science and Technology | 1,024 |
| 164.161.24.0/21 | Tokyo University of Marine Science and Technology | 2,048 |
| 164.161.32.0/21 | Tokyo University of Marine Science and Technology | 2,048 |
| 164.161.44.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.46.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.48.0/21 | Tokyo University of Marine Science and Technology | 2,048 |
| 164.161.56.0/21 | Tokyo University of Marine Science and Technology | 2,048 |
| 164.161.64.0/22 | Tokyo University of Marine Science and Technology | 1,024 |
| 164.161.68.0/22 | Tokyo University of Marine Science and Technology | 1,024 |
| 164.161.72.0/21 | Tokyo University of Marine Science and Technology | 2,048 |
| 164.161.80.0/22 | Tokyo University of Marine Science and Technology | 1,024 |
| 164.161.84.0/22 | Tokyo University of Marine Science and Technology | 1,024 |
| 164.161.88.0/21 | Tokyo University of Marine Science and Technology | 2,048 |
| 164.161.100.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.102.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.104.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.106.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.108.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.110.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.112.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.114.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.116.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.118.0/23 | Tokyo University of Marine Science and Technology | 512 |
| 164.161.120.0/22 | Tokyo University of Marine Science and Technology | 1,024 |
| 164.161.124.0/22 | Tokyo University of Marine Science and Technology | 1,024 |
| 164.161.236.0/24 | Tokyo University of Marine Science and Technology | 256 |
| 164.161.237.192/26 | Tokyo University of Marine Science and Technology | 64 |
| 164.161.248.0/26 | Tokyo University of Marine Science and Technology | 64 |
| 165.93.0.0/16 | National University Corporation Tokyo University of Agriculture and Technology | 65,536 |
| 192.31.121.0/24 | University of Tokyo | 256 |
| 192.31.121.128/26 | University of Tokyo University of Tokyo | 64 |
| 192.31.121.224/28 | University of Tokyo University of Tokyo | 16 |
| 192.42.103.0/26 | Tohoku University Tohoku University | 64 |
| 192.47.1.0/24 | Kyushu Institute of Technology Kyushu Institute of Technology | 256 |
| 192.47.2.0/23 | Kyushu Institute of Technology | 512 |
| 192.47.16.0/22 | Kyushu Institute of Technology | 1,024 |
| 192.47.204.0/24 | Daito Bunka University Daito Bunka University | 256 |
| 192.47.205.0/24 | Daito Bunka University Daito Bunka University | 256 |
| 192.50.28.0/24 | The University of Electro-Communications | 256 |
| 192.50.30.0/23 | imported inetnum object for JNIC | 512 |
| 192.50.56.0/24 | Nagoya University | 256 |
| 192.50.69.0/24 | Ehime University | 256 |
| 192.50.70.0/24 | Ehime University | 256 |
| 192.50.71.0/24 | Ehime University | 256 |
| 192.50.72.0/24 | Ehime University | 256 |
| 192.50.101.0/24 | Hokkaido University | 256 |
| 192.50.102.0/23 | Shiga University | 512 |
| 192.50.106.0/23 | imported inetnum object for JNIC Nagoya Institute of Technology | 512 |
| 192.50.108.0/24 | imported inetnum object for JNIC Nagoya Institute of Technology | 256 |
| 192.50.192.0/23 | Kagawa Nutrition University | 512 |
| 192.50.210.0/23 | imported inetnum object for JNIC Nagoya Institute of Technology | 512 |
| 192.50.212.0/24 | imported inetnum object for JNIC Nagoya Institute of Technology | 256 |
| 192.51.168.0/22 | Inter-University Research Institute Corporation, National Institutes for the Humanities, National Museum of Ethnology Inter-University Research Institute Corporation, National Institutes for the Humanities, National Museum of Ethnology | 1,024 |
| 192.51.194.0/23 | Hokusei Gakuen University | 512 |
| 192.153.95.0/24 | Research Organization of Information and Systems, National Institute of Informatics Research Organization of Information and Systems, National Institute of Informatics | 256 |
| 192.153.96.0/21 | imported inetnum object for NCSIS-1 | 2,048 |
| 192.153.104.0/24 | Research Organization of Information and Systems, National Institute of Informatics | 256 |
| 192.156.145.0/24 | Institue National Colleges of Technology, Japan National Institute of Technology, Japan | 256 |
| 192.156.146.0/23 | Institue National Colleges of Technology, Japan National Institute of Technology, Japan | 512 |
| 192.156.148.0/23 | Early registration addresses National Institute of Technology, Japan | 512 |
| 192.156.158.0/24 | Sapporo City University Sapporo City University | 256 |
| 192.172.236.0/24 | University Of Fukui University Of Fukui | 256 |
| 192.174.128.0/17 | Research Organization of Information and Systems, National Institute of Informatics | 32,768 |
| 192.188.73.0/24 | Utsunomiya University Utsunomiya University | 256 |
| 192.188.74.0/24 | Utsunomiya University Utsunomiya University | 256 |
| 192.218.1.0/24 | National Institute for Educational Policy Research | 256 |
| 192.218.92.0/22 | Asahi University | 1,024 |
| 192.218.112.0/22 | imported inetnum object for JNIC | 1,024 |
| 192.218.116.0/22 | imported inetnum object for JNIC | 1,024 |
| 192.218.160.0/20 | Kwansei Gakuin University | 4,096 |
| 192.218.240.0/21 | International Christian University | 2,048 |
| 192.244.20.0/23 | imported inetnum object for JNIC | 512 |
| 192.244.78.0/23 | Kanazawa Institute of Technology | 512 |
| 192.244.80.0/20 | National Institute of Technology, Japan | 4,096 |
| 192.244.144.0/20 | National University Corporation Tokyo University of Marine Science and Technology | 4,096 |
| 192.244.144.0/24 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 256 |
| 192.244.146.64/28 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 16 |
| 192.244.146.128/27 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 32 |
| 192.244.146.208/28 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 16 |
| 192.244.148.0/24 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 256 |
| 192.244.149.0/24 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 256 |
| 192.244.150.0/24 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 256 |
| 192.244.151.0/26 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 64 |
| 192.244.152.0/24 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 256 |
| 192.244.153.0/24 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 256 |
| 192.244.154.0/24 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 256 |
| 192.244.155.0/24 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 256 |
| 192.244.156.0/23 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 512 |
| 192.244.158.16/28 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 16 |
| 192.244.158.32/28 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 16 |
| 192.244.158.64/26 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 64 |
| 192.244.158.128/26 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 64 |
| 192.244.159.0/24 | imported inetnum object for JNIC National University Corporation Tokyo University of Marine Science and Technology | 256 |
| 192.244.196.0/22 | imported inetnum object for JNIC | 1,024 |
| 192.244.208.0/20 | Shimane University | 4,096 |
| 192.244.228.0/22 | Japan Agency for Marine-Earth Science and Technology | 1,024 |
| 192.244.254.0/24 | Kobe City College of Technology | 256 |
| 202.11.0.0/21 | Japan Network Information Center | 2,048 |
| 202.11.8.0/22 | KYUSHU KYORITSU UNIVERSITY | 1,024 |
| 202.11.12.0/24 | Oita Industrial Research Institute | 256 |
| 202.11.96.0/21 | Wakkanai Hokusei Gakuen University | 2,048 |
| 202.11.104.0/21 | National Institute of Technology, Japan | 2,048 |
| 202.11.138.0/24 | National Institute of Technology, Japan | 256 |
| 202.11.166.0/23 | Tohoku Bunkyo Junior College | 512 |
| 202.11.212.0/24 | Employment and Human Resources Development Organization of JapanTohoku Polytechnic CollegeAomori Polytechnic College | 256 |
| 202.11.216.0/22 | Kinjo Gakuin University | 1,024 |
| 202.13.0.0/22 | Fukui University of Technology | 1,024 |
| 202.13.4.0/23 | Tokyo University of Foreign Studies | 512 |
| 202.13.8.0/21 | Tokyo University of Science , Sanyo Onoda Yamaguchi | 2,048 |
| 202.13.16.0/21 | Suwa University of Science | 2,048 |
| 202.13.60.0/24 | Fukui Prefectural Government | 256 |
| 202.13.82.0/23 | Sapporo City University | 512 |
| 202.13.87.0/24 | Fukushima Technology Centre | 256 |
| 202.15.16.0/20 | Aichi Institute of Technology | 4,096 |
| 202.15.106.0/23 | National Institute of Technology, Japan | 512 |
| 202.15.110.0/24 | National Institute of Technology, Japan | 256 |
| 202.16.122.0/23 | National Center For University Entrance Examinations | 512 |
| 202.16.124.0/24 | Aichi University | 256 |
| 202.16.125.0/24 | AICHI UNIVERSITY | 256 |
| 202.16.128.0/20 | Sojo University | 4,096 |
| 202.16.208.0/20 | TOHO University | 4,096 |
| 202.16.224.0/24 | National Institute of Technology, Japan | 256 |
| 202.17.16.0/21 | Japan Network Information Center Chiba Institute of Technology | 2,048 |
| 202.17.24.0/22 | Japan Network Information Center Chiba Institute of Technology | 1,024 |
| 202.17.28.0/23 | Japan Network Information Center Chiba Institute of Technology | 512 |
| 202.17.30.0/23 | Japan Network Information Center Chiba Institute of Technology | 512 |
| 202.17.104.0/21 | Otsuma Gakuin Educational Institution | 2,048 |
| 202.17.120.0/23 | Sapporo Gakuin University | 512 |
| 202.17.171.0/24 | Gifu Kyoritsu University | 256 |
| 202.17.182.0/24 | Kunitachi College of Music | 256 |
| 202.17.184.0/22 | Miyazaki International College | 1,024 |
| 202.17.200.0/21 | Matsuyama University | 2,048 |
| 202.17.208.0/22 | National Institute of Technology, Japan | 1,024 |
| 202.17.254.0/24 | National Institute of Technology, Japan | 256 |
| 202.18.32.0/19 | Kyushu Kyoritsu University | 8,192 |
| 202.18.160.0/20 | Nippon Institute of Technology | 4,096 |
| 202.18.161.0/24 | Japan Network Information Center Nippon Institute of Technology | 256 |
| 202.18.162.0/24 | Japan Network Information Center Nippon Institute of Technology | 256 |
| 202.18.171.0/24 | Japan Network Information Center Nippon Institute of Technology | 256 |
| 202.18.182.0/24 | Tokyo Metropolitan Institute of Medical Science | 256 |
| 202.18.184.0/22 | National Institute of Technology, Japan | 1,024 |
| 202.18.188.0/22 | Japan Network Information Center | 1,024 |
| 202.18.254.0/24 | National Institute of Technology, Japan | 256 |
| 202.19.104.0/23 | National Institute of Technology, Japan | 512 |
| 202.19.136.0/21 | University Of Fukui | 2,048 |
| 202.19.144.0/21 | National University Corporation Shiga University of Medical Science | 2,048 |
| 202.19.179.0/24 | Fuji Women's College | 256 |
| 202.23.64.0/22 | Kagoshima Immaculate Heart School Corporation | 1,024 |
| 202.23.72.0/21 | University of Miyazaki | 2,048 |
| 202.23.86.0/24 | National Institute for Educational Policy Research | 256 |
| 202.23.192.0/21 | National Institute of Technology, Japan | 2,048 |
| 202.23.247.0/24 | Niigata University of Internationaland Information Studies | 256 |
| 202.24.52.0/24 | Japan Network Information Center Nagoya Gakuin University | 256 |
| 202.24.80.0/21 | Nakanishi Educational Foundation | 2,048 |
| 202.24.92.0/22 | Kumamoto Industrial Research Institute | 1,024 |
| 202.24.144.0/21 | Kumamoto Gakuen University | 2,048 |
| 202.24.160.0/21 | National Institute of Fitness and Sports in Kanoya | 2,048 |
| 202.24.240.0/21 | National Institute of Technology, Japan | 2,048 |
| 202.25.68.0/22 | National Institute of Technology, Japan | 1,024 |
| 202.25.80.0/23 | Japan Network Information Center National Defense Academy | 512 |
| 202.25.86.0/23 | Japan Network Information Center National Defense Academy | 512 |
| 202.25.99.0/24 | Miyazaki Municipal University | 256 |
| 202.25.113.0/24 | Industrial Research Center of Shiga pref. | 256 |
| 202.25.155.0/24 | Japan Network Information Center Japan Women's University | 256 |
| 202.25.156.0/24 | Japan Network Information Center Japan Women's University | 256 |
| 202.25.224.0/20 | Joetsu University of Education | 4,096 |
| 202.26.64.0/19 | Japan Network Information Center | 8,192 |
| 202.26.139.0/24 | Japan Network Information Center National Institute of Technology, Japan | 256 |
| 202.26.144.0/20 | Japan Network Information Center | 4,096 |
| 202.26.160.0/20 | Public University Corporation Prefectural University of Kumamoto | 4,096 |
| 202.26.188.0/24 | Japan Network Information Center Kyoto University of Education | 256 |
| 202.26.189.0/24 | Japan Network Information Center Kyoto University of Education | 256 |
| 202.26.190.0/24 | Japan Network Information Center Kyoto University of Education | 256 |
| 202.26.191.0/24 | Japan Network Information Center Kyoto University of Education | 256 |
| 202.26.196.0/22 | Kagawa Junior College | 1,024 |
| 202.26.224.0/24 | Japan Network Information Center National Institute of Technology, Japan | 256 |
| 202.26.248.0/23 | National Institute of Technology, Japan | 512 |
| 202.34.192.0/20 | Japan Network Information Center National Institute of Technology, Japan | 4,096 |
| 202.34.232.0/21 | Teikyo Heisei University | 2,048 |
| 202.34.242.0/23 | Japan Network Information Center | 512 |
| 202.34.246.0/23 | Japan Network Information Center | 512 |
| 202.35.192.0/19 | Nagoya City University | 8,192 |
| 202.35.199.0/24 | Japan Network Information Center Nagoya City University | 256 |
| 202.35.224.0/24 | Sugiyama Jogakuen University | 256 |
| 202.35.226.0/23 | Sakura Campus, Juntendo University | 512 |
| 202.35.228.0/24 | Yamagata Research Institute of Technology | 256 |
| 202.35.248.0/22 | YAMAGATA College of Industry & Technology | 1,024 |
| 202.48.48.0/23 | Japan Network Information Center Bunkyo University | 512 |
| 202.48.50.0/24 | Japan Network Information Center Bunkyo University | 256 |
| 202.48.112.0/21 | Shonan Institute of Technology | 2,048 |
| 202.48.128.0/23 | Momoyama Gakuin University | 512 |
| 202.48.160.0/22 | Niigata University of Management | 1,024 |
| 202.48.228.0/22 | Kyoto College of Economics | 1,024 |
| 202.145.16.0/24 | Civil Aviation College, Independent Administrative Institution Civil Aviation College, Independent Administrative Institution | 256 |
| 202.145.16.0/22 | Research Organization of Information and Systems, National Institute of Informatic 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, Japan Research Organization of Information and Systems, National Institute of Informatics | 1,024 |
| 202.145.17.0/24 | Kyushu University of Health and Welfare Kyushu University of Health and Welfare | 256 |
| 202.145.18.0/23 | Miyazaki Prefectural Nursing University Miyazaki Prefectural Nursing University | 512 |
| 202.145.24.0/24 | Minamikyushu University Research Organization of Information and Systems, National Institute of Informatic 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, Japan | 256 |
| 202.145.24.0/23 | Minamikyushu University Research Organization of Information and Systems, National Institute of Informatic 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, Japan | 512 |
| 202.145.25.0/24 | Minamikyushu University Research Organization of Information and Systems, National Institute of Informatic 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, Japan | 256 |
| 202.175.144.0/20 | Human Genome Center, Institute of Medical Science, University of Tokyo The University of Tokyo 2-11-16,Yayoi,Bunkyo-ku,Tokyo,Japan | 4,096 |
| 202.208.8.0/23 | Kyushu Dental University | 512 |
| 202.208.16.0/22 | Kyushu Polytechnic College | 1,024 |
| 202.208.25.0/24 | Tokuyama University | 256 |
| 202.209.0.0/16 | Research Organization of Information and Systems, National Institute of Informatics | 65,536 |
| 202.210.0.0/22 | Equine Research Institute, JRA | 1,024 |
| 202.211.0.0/20 | Research Organization of Information and Systems, National Institute of Informatics | 4,096 |
| 202.211.0.0/19 | Japan Network Information Center | 8,192 |
| 202.211.16.0/20 | Research Organization of Information and Systems, National Institute of Informatics | 4,096 |
| 202.213.0.0/22 | National Institute of Technology, Japan | 1,024 |
| 202.213.24.0/23 | SEINAN JO GAKUIN | 512 |
| 202.213.160.0/20 | Research Organization of Information and Systems, National Institute of Informatics | 4,096 |
| 202.220.0.0/22 | National Institute of Technology, Japan | 1,024 |
| 202.220.17.0/24 | Industrial Technology Institute, Miyagi Prefectural Government | 256 |
| 202.220.21.0/24 | Junshin Women Junior College | 256 |
| 202.220.56.0/22 | Japan Organization for Employment of the Elderly, Persons with Disabilities and Job SeekersNortheast Polytechnic University of Japan attached Akita occupational-skills-development junior college school | 1,024 |
| 202.220.62.0/23 | Educational Foundation Fukuoka Gakuen | 512 |
| 202.220.64.0/22 | Tsukuba Research Center, National Science Museum, Tokyo | 1,024 |
| 202.220.72.0/22 | Nakamura Gakuen University | 1,024 |
| 202.220.80.0/24 | Japanese Red Cross Akita Junior College | 256 |
| 202.220.104.0/23 | Nishinippon Institute of Technology | 512 |
| 202.220.116.0/23 | Japan Network Information Center National Institute of Technology, Japan | 512 |
| 202.220.118.0/24 | Japan Network Information Center National Institute of Technology, Japan | 256 |
| 202.220.124.0/22 | National Institute of Technology, Japan | 1,024 |
| 202.223.128.0/17 | Research Organization of Information and Systems, National Institute of Informatics | 32,768 |
| 202.231.0.0/18 | Research Organization of Information and Systems, National Institute of Informatics | 16,384 |
| 202.235.128.0/18 | Japan Network Information Center | 16,384 |
| 202.235.128.0/19 | Research Organization of Information and Systems, National Institute of Informatics | 8,192 |
| 202.235.160.0/19 | Research Organization of Information and Systems, National Institute of Informatics | 8,192 |
| 202.236.2.0/24 | JunshinGakuen University | 256 |
| 202.236.16.0/24 | The University of Human Environments | 256 |
| 202.236.33.0/24 | Nara Prefectural Library & Information Center | 256 |
| 202.236.44.0/24 | University of Sapporo | 256 |
| 202.236.60.0/23 | Sagami Women's University | 512 |
| 202.236.70.0/24 | Takasaki City University of Economics | 256 |
| 202.236.100.0/22 | Nagoya Bunri University | 1,024 |
| 202.236.106.0/23 | The Open University of Japan | 512 |
| 202.236.107.32/27 | Japan Network Information Center The Open University of Japan | 32 |
| 202.236.107.96/28 | Japan Network Information Center The Open University of Japan | 16 |
| 202.236.107.224/27 | Japan Network Information Center The Open University of Japan | 32 |
| 202.236.111.0/24 | Fukuoka Prefectural University | 256 |
| 202.236.120.0/24 | Kyoto University of Foreign Studies | 256 |
| 202.236.124.0/24 | Gunma Industrial Technology Center | 256 |
| 202.236.128.0/20 | Osaka Dental University | 4,096 |
| 202.236.150.0/23 | International University of Kagoshima | 512 |
| 202.236.168.0/21 | Fujita Health University | 2,048 |
| 202.236.176.0/22 | Nara University of Education | 1,024 |
| 202.236.188.0/22 | University of Marketing andDistribution Sciences | 1,024 |
| 202.237.2.0/23 | Kushiro Public University of Economics | 512 |
| 202.237.6.0/23 | Nagoya Women's University | 512 |
| 202.237.15.0/24 | Okinawa Prefectural University of Arts | 256 |
| 202.237.24.0/24 | Fukushima College | 256 |
| 202.237.27.0/24 | Sendai Shirayuri Women's College | 256 |
| 202.237.40.0/24 | Gifu Shotoku Gakuen University | 256 |
| 202.237.52.0/23 | National Institute of Special Needs Education | 512 |
| 202.237.54.0/23 | Kibi International University | 512 |
| 202.237.168.0/23 | National Institute of Technology, Japan | 512 |
| 202.237.174.0/24 | Public University Corporation Fukuoka Women's University | 256 |
| 202.237.254.0/24 | Japan Network Information Center Local Independent Administrative Agency Hokkaido Research Organization Industrial Technology Research Department Industrial Research Institute | 256 |
| 202.237.255.0/24 | Japan Network Information Center Local Independent Administrative Agency Hokkaido Research Organization Industrial Technology Research Department Industrial Research Institute | 256 |
| 202.240.8.0/24 | Japan Network Information Center Nihon Fukushi University Educational Group | 256 |
| 202.240.8.0/21 | Nihon Fukushi University Educational Group | 2,048 |
| 202.240.9.0/24 | Japan Network Information Center Nihon Fukushi University Educational Group | 256 |
| 202.240.10.0/24 | Japan Network Information Center Nihon Fukushi University Educational Group | 256 |
| 202.240.11.0/24 | Japan Network Information Center Nihon Fukushi University Educational Group | 256 |
| 202.240.12.0/24 | Japan Network Information Center Nihon Fukushi University Educational Group | 256 |
| 202.240.13.0/24 | Japan Network Information Center Nihon Fukushi University Educational Group | 256 |
| 202.240.14.0/24 | Japan Network Information Center Nihon Fukushi University Educational Group | 256 |
| 202.240.15.0/24 | Japan Network Information Center Nihon Fukushi University Educational Group | 256 |
| 202.240.72.0/21 | Tokyo University of Agriculture | 2,048 |
| 202.240.96.0/22 | University of East Asia | 1,024 |
| 202.240.112.0/22 | Tokyo Metropolitan Institute of Gerontology | 1,024 |
| 202.240.117.0/24 | Ishikawa Prefectural University | 256 |
| 202.240.137.0/24 | University of Marketing andDistribution Sciences | 256 |
| 202.240.224.0/24 | Kyoto Polytechnic College | 256 |
| 202.240.232.0/24 | Chikushi Jogakuen University | 256 |
| 202.241.0.0/17 | Research Organization of Information and Systems, National Institute of Informatics | 32,768 |
| 202.242.5.0/24 | Japanese Foundation for Cancer Research | 256 |
| 202.242.7.0/24 | Beppu University | 256 |
| 202.242.8.0/21 | OSAKA UNIVERSITY OF ECONOMICS | 2,048 |
| 202.242.14.0/24 | Japan Network Information Center OSAKA UNIVERSITY OF ECONOMICS | 256 |
| 202.242.21.0/24 | Shinshu Internet Council | 256 |
| 202.242.38.0/23 | National Institute of Technology, Japan | 512 |
| 202.242.55.0/24 | Japan Women's College of Physical Education | 256 |
| 202.242.64.0/21 | Mukogawa Women's University | 2,048 |
| 202.242.101.0/24 | Higashi Nippon International University | 256 |
| 202.242.120.0/24 | Japan Network Information Center Kobe Shoin Women's University | 256 |
| 202.242.121.0/24 | Japan Network Information Center Kobe Shoin Women's University | 256 |
| 202.242.127.0/24 | Toyama Industrial Technology Center | 256 |
| 202.242.131.0/24 | Industrial Research Institute of Ishikawa | 256 |
| 202.242.160.0/19 | Tokyo Medical and Dental University | 8,192 |
| 202.242.192.0/22 | Japan Network Information Center | 1,024 |
| 202.242.231.0/24 | Shobi University | 256 |
| 202.243.16.0/20 | National University Corporation Asahikawa Medical College | 4,096 |
| 202.243.128.0/20 | The University of Shiga Prefecture | 4,096 |
| 202.243.162.0/24 | Tokyo National Museum | 256 |
| 202.243.163.0/24 | National Institute of Technology, Japan | 256 |
| 202.243.185.0/24 | Nagano Prefectural Institute of Technology | 256 |
| 202.243.220.0/24 | Meiji University of Integrative Medicine | 256 |
| 202.243.221.0/24 | Tokyo Metropolitan University of Health Sciences | 256 |
| 202.243.222.0/24 | Science Museum of Osaka | 256 |
| 202.243.234.0/23 | The Graduate University for Advanced Studies | 512 |
| 202.244.3.0/24 | Japan Network Information Center Civil Engineering Research Institute of Hokkaido | 256 |
| 202.244.52.0/22 | Kyoto Koka Wemen's University | 1,024 |
| 202.244.62.0/24 | Toyama University of International Studies | 256 |
| 202.244.76.0/22 | Hyogo University | 1,024 |
| 202.244.90.0/23 | National Institute of Technology, Japan | 512 |
| 202.244.104.0/23 | Institute of Developing Economies, Japan External Trade Organization | 512 |
| 202.244.112.0/20 | Shikoku University | 4,096 |
| 202.244.160.0/20 | Japan Network Information Center Kurashiki University of Science and the Arts | 4,096 |
| 202.244.176.0/20 | Japan Network Information Center Kurashiki University of Science and the Arts | 4,096 |
| 202.244.192.0/21 | Iwate Medical University | 2,048 |
| 202.244.205.0/24 | Kawasaki Gakuen Inc. | 256 |
| 202.244.210.0/24 | Niigata University of Pharmacy and Applied Life Sciences | 256 |
| 202.244.240.0/20 | Tokyo University of the Arts | 4,096 |
| 202.245.2.0/23 | The University of Kitakyushu | 512 |
| 202.245.11.0/24 | Hyogo College of Medicine | 256 |
| 202.245.13.0/24 | Tsuru University | 256 |
| 202.245.24.0/23 | National Fisheries University | 512 |
| 202.245.30.0/24 | The Institute of Applied Energy | 256 |
| 202.245.64.0/19 | Tokiwa University | 8,192 |
| 202.245.100.0/22 | National Institute for Japanese Language and Linguistics | 1,024 |
| 202.245.104.0/23 | Japan Network Information Center National Institute of Technology, Japan | 512 |
| 202.245.124.0/24 | Otani University | 256 |
| 202.245.136.0/23 | Yamaguchi Prefectural University | 512 |
| 202.245.165.0/24 | Miyagi Gakuin Women's University | 256 |
| 202.245.168.0/22 | Prefectural University of Hiroshima | 1,024 |
| 202.245.212.0/22 | Nagoya University of Commerce and Business Administration | 1,024 |
| 202.245.226.0/23 | Public University Corporation Wakayama Medical University | 512 |
| 202.246.9.0/24 | Public University Corporation, The University of Aizu Business Innovation Center | 256 |
| 202.246.63.0/24 | National Institute of Technology, Japan | 256 |
| 202.246.68.0/24 | Japan Network Information Center The Nippon Dental University | 256 |
| 202.246.106.0/23 | Okinawa International University | 512 |
| 202.246.128.0/19 | Kobe City University of Foreign Studies | 8,192 |
| 202.246.131.0/24 | Japan Network Information Center Kobe City University of Foreign Studies | 256 |
| 202.246.132.64/26 | Japan Network Information Center Kobe City University of Foreign Studies | 64 |
| 202.246.136.0/24 | Japan Network Information Center Kobe City University of Foreign Studies | 256 |
| 202.250.0.0/20 | Tokai University | 4,096 |
| 202.250.64.0/21 | Kanagawa Institute of Technology | 2,048 |
| 202.250.120.0/21 | Kindai University, Faculty of Engineering | 2,048 |
| 202.250.129.0/24 | Sapporo International University | 256 |
| 202.250.148.0/23 | Tohoku College of Pharmacy | 512 |
| 202.250.150.0/24 | Aomori chuoo junior college | 256 |
| 202.250.160.0/20 | Aichi University | 4,096 |
| 202.250.176.0/22 | National Institute of Technology, Japan | 1,024 |
| 202.250.184.0/21 | Bunri University of Hospitality | 2,048 |
| 202.250.208.0/21 | National University Corporation Shimane University Faculty of Medicine | 2,048 |
| 202.250.224.0/22 | Yamanashi Gakuin, Univ. | 1,024 |
| 202.250.238.0/23 | Dokkyo Medical University | 512 |
| 202.251.32.0/22 | National Institute of Technology, Japan | 1,024 |
| 202.251.88.0/22 | National Institute of Technology, Japan | 1,024 |
| 202.251.140.0/24 | Japan Network Information Center Nippon Medical School | 256 |
| 202.251.180.0/22 | University Of Fukui | 1,024 |
| 202.251.184.0/21 | The Tohoku University of Art and Design | 2,048 |
| 202.251.224.0/20 | Fukushima Medical University | 4,096 |
| 202.251.244.0/22 | National Fisheries University | 1,024 |
| 202.252.128.0/18 | National University Corporation Hokkaido University of Education | 16,384 |
| 202.252.214.0/24 | Okinawa University | 256 |
| 202.252.246.0/24 | Shumei University | 256 |
| 202.252.247.0/24 | Institute of Archaeological Research Kyoto | 256 |
| 202.253.0.0/18 | National University Corporation Hamamatsu University School of Medicine | 16,384 |
| 202.253.88.0/22 | Oita University | 1,024 |
| 202.253.138.0/23 | United Nations University | 512 |
| 202.253.192.0/21 | Tamagawa University | 2,048 |
| 202.253.200.0/22 | National Institute of Technology, Japan | 1,024 |
| 202.253.224.0/24 | Japan Network Information Center Kokushikan University | 256 |
| 202.253.225.0/24 | Japan Network Information Center Kokushikan University | 256 |
| 202.253.226.0/23 | Japan Network Information Center Kokushikan University | 512 |
| 202.253.228.0/22 | Japan Network Information Center Kokushikan University | 1,024 |
| 202.253.232.0/21 | Japan Network Information Center Kokushikan University | 2,048 |
| 202.253.248.0/22 | Kyoto Prefectural University of Medicine | 1,024 |
| 202.253.252.0/24 | Tokyo University of Pharmacy and Life Science | 256 |
| 202.254.0.0/19 | Hyogo University of Teacher Education | 8,192 |
| 202.254.88.0/22 | Showa Women's University | 1,024 |
| 202.254.96.0/21 | TOKYO POLYTECHNIC UNIVERSITY | 2,048 |
| 202.254.153.0/24 | Japan Network Information Center Iwaki Meisei University | 256 |
| 202.254.162.0/23 | Tsurumi University | 512 |
| 202.254.196.0/22 | Japan Network Information Center Bukkyo University | 1,024 |
| 202.254.212.0/24 | Kyushu International University | 256 |
| 202.254.218.0/24 | Tokuyama University | 256 |
| 202.254.227.0/24 | Showa University | 256 |
| 202.254.230.0/24 | Japan Network Information Center National Institute of Technology, Japan | 256 |
| 202.255.24.0/24 | Toyama College | 256 |
| 202.255.152.0/22 | Yukiyoshi Gakuen | 1,024 |
| 202.255.184.0/22 | Jobu University | 1,024 |
| 202.255.192.0/21 | Hokkaido University of Science | 2,048 |
| 202.255.200.0/22 | Inter-University Research Institute Corporation, National Institutes for the Humanities, National Museum of Japanese History | 1,024 |
| 202.255.229.0/24 | Kyoto Women's University | 256 |
| 202.255.244.0/22 | National Institute of Technology, Japan | 1,024 |
| 203.112.64.0/21 | Chikushi Jogakuen University Network, Dazaifu, Fukuoka, Japan | 2,048 |
| 203.178.36.0/22 | Miyazaki Sangyou-Keiei University | 1,024 |
| 203.178.44.0/24 | Beppu Mizobe Gakuen College | 256 |
| 203.181.192.0/18 | Research Organization of Information and Systems, National Institute of Informatics | 16,384 |
| 210.1.236.0/22 | Chikushi Jogakuen University 2-12-1, Ishizaka | 1,024 |
| 210.133.64.0/19 | Research Organization of Information and Systems, National Institute of Informatics | 8,192 |
| 210.137.0.0/16 | Research Organization of Information and Systems, National Institute of Informatics | 65,536 |
| 210.137.12.0/22 | Seisen University | 1,024 |
| 210.137.12.0/24 | Japan Network Information Center Seisen University | 256 |
| 210.146.64.0/20 | Research Organization of Information and Systems, National Institute of Informatics | 4,096 |
| 210.151.64.0/18 | Research Organization of Information and Systems, National Institute of Informatics | 16,384 |
| 210.156.32.0/19 | Research Organization of Information and Systems, National Institute of Informatics | 8,192 |
| 219.112.224.0/24 | National Institute for Land and Infrastructure Management | 256 |
| 219.112.227.0/24 | National Research and Development Agency Public Works Research Institute | 256 |
Peers
| ASN | Name | IPs Count |
|---|---|---|
| AS293 | ESnet | 132,608 |
| AS513 | CERN - European Organization for Nuclear Research | 354,816 |
| AS1103 | SURFnet bv | 6,223,616 |
| AS2153 | California State University, Office of the Chancellor | 0 |
| AS2497 | Internet Initiative Japan Inc. | 3,801,600 |
| AS2500 | WIDE Project | 262,656 |
| AS2516 | KDDI CORPORATION | 18,443,264 |
| AS2603 | NORDUnet | 9,984 |
| AS2501 | NET The University of Tokyo | 200,704 |
| AS2504 | Kyoto University | 132,096 |
| AS2505 | High Energy Accelerator Research Organization | 74,240 |
| AS2506 | UPERCSI NTT WEST CHUGOKU CORPORATION | 279,808 |
| AS2508 | KYUSHU-U Kyushu University | 65,536 |
| AS2513 | Japan Science and Technology Agency | 65,536 |
| AS2523 | JSPS 163rd Committee on Internet Technology | 65,536 |
| AS3488 | XANET Information Systems Department | 115,200 |
| AS4637 | Telstra Global | 525,824 |
| AS4729 | Japan Atomic Energy Agency | 131,072 |
| AS4730 | Osaka University | 67,584 |
| AS6509 | Canarie Inc | 256 |
| AS6939 | Hurricane Electric LLC | 516,096 |
| AS7473 | Singapore Telecommunications Ltd | 57,344 |
| AS7575 | Australian Academic and Research Network (AARNet) | 1,519,360 |
| AS7660 | Japan | 5,376 |
| AS8220 | COLT Technology Services Group Limited | 1,134,080 |
| AS9367 | Tokyo Institute of Technology | 65,536 |
| AS9591 | National Institute for Fusion Science | 65,536 |
| AS9991 | Hiroshima Shudo University | 65,536 |
| AS10014 | Nihon University | 65,536 |
| AS15412 | Reliance Globalcom Limited | 31,744 |
| AS17523 | Aoyama Gakuin University | 65,536 |
| AS17534 | NSK Co. | 72,704 |
| AS17639 | Converge ICT Solutions Inc. | 221,696 |
| AS17701 | Seinan Gakuin University | 65,536 |
| AS17932 | Japan Advanced Institute of Science and Technology | 65,792 |
| AS17944 | Japan Weather Association | 65,792 |
| AS17946 | Gifu University | 65,536 |
| AS17956 | WASEDA University | 65,536 |
| AS17960 | University of the Ryukyus | 65,536 |
| AS18076 | Institute of Advanced Media Arts and Sciences | 2,048 |
| AS18087 | Toyo University | 65,536 |
| AS18091 | Teikyo University | 1,024 |
| AS18123 | INAOKI EDUCATIONAL INSTITUTION | 1,536 |
| AS18124 | Okayama University of Science | 65,536 |
| AS18125 | Ministry of Agriculture | 65,536 |
| AS18128 | RIKEN(Physical and Chemical Research Institute) | 65,536 |
| AS18148 | Fukuoka University | 65,536 |
| AS18267 | Doshisha University | 20,480 |
| AS18276 | Kansai University | 65,536 |
| AS23615 | University of Shizuoka | 65,536 |
| AS23623 | Chuo University | 65,536 |
| AS23781 | OYAMA-AN-AS Toyama University | 72,704 |
| AS23783 | Cable Networks Akita Co. | 34,560 |
| AS23793 | National Institute of Advanced Industrial Science and Technology | 199,936 |
| AS23807 | Ritsumeikan University | 65,536 |
| AS23826 | Daido University | 1,024 |
| AS24248 | Wakayama University | 65,536 |
| AS24254 | Kyoto Sangyo University | 65,536 |
| AS24260 | Board of trusty: Kinjo-Gakuen | 512 |
| AS24261 | MIE-U Mie University | 66,304 |
| AS24264 | Kanazawa Institute of Technology | 4,096 |
| AS24268 | National University Corporation Shizuoka University | 65,536 |
| AS24287 | National Institute of Informatics | 256 |
| AS24297 | University Public Corporation Osaka | 131,072 |
| AS24482 | SG.GS | 22,784 |
| AS27750 | Cooperacion Latino Americana de Redes Avanzadas | 2,048 |
| AS37889 | J-PARC Center | 1,792 |
| AS37910 | Chubu University | 65,536 |
| AS37914 | NIVNET Advanced Software Technology and Management Research Institute of KYOTO | 4,608 |
| AS37917 | University of Tsukuba | 132,096 |
| AS37918 | Nippon Telegraph and Telephone Corporation | 69,376 |
| AS38001 | NewMedia Express Pte Ltd | 28,416 |
| AS38635 | Keio University | 131,072 |
| AS38641 | Osaka Sangyo University | 65,536 |
| AS45685 | Rikkyo Gakuin Rikkyo University | 8 |
| AS45688 | The University of Tokyo Interfaculty Initiative in Information Studies | 3,584 |
| AS55373 | Foundation for Biomedical Research and Innovation | 256 |
| AS55379 | HOSEI-NET Hosei University | 65,536 |
| AS55380 | Kanazawa University | 65,536 |
| AS55390 | Tokyo University of Science | 65,536 |
| AS55904 | KOGAKUIN University | 65,536 |
| AS55909 | KOCHI-CT Kochi National College of Technology | 256 |
| AS55910 | Shibaura Institute of Technology | 16,384 |
| AS55912 | U-KOCHI University of Kochi | 4,352 |
| AS58647 | Kagawa University | 73,728 |
| AS58652 | OCHI-U-NET Kochi University | 65,536 |
| AS58784 | Rissho University | 2,048 |
| AS58785 | Tohoku Gakuin University | 65,536 |
| AS59091 | Kanagawa Institute of Technology | 8,192 |
| AS59096 | Meiji Gakuin University | 8,192 |
| AS59103 | SoftEther Corporation | 3,328 |
| AS59104 | Soka University | 65,536 |
| AS59111 | Akita International University | 256 |
| AS59115 | CYBERDYNE Inc. | 256 |
| AS63770 | Industrial Cyber Security Center of Excellence | 17,408 |
| AS63783 | Chiba University of Commerce | 2,048 |
| AS131158 | Nara Institute of Science and Technology | 512 |
| AS131159 | Yamagata University | 65,536 |
| AS131895 | Okinawa Institute of science and technology | 384 |
| AS131897 | National University Corporation | 65,536 |
| AS131919 | Meiji University | 65,536 |
| AS131946 | MUSASHINO UNIVERSITY E.F. | 512 |
| AS131961 | Dokkyo University | 1,024 |
| AS2914 | NTT America, Inc. | 6,968,576 |
| AS4713 | NTT Communications Corporation | 28,909,056 |
| AS11537 | Internet2 | 2,304 |
Upstreams
| ASN | Name | IPs Count |
|---|---|---|
| AS2914 | NTT America, Inc. | 6,968,576 |
| AS4713 | NTT Communications Corporation | 28,909,056 |
| AS11537 | Internet2 | 2,304 |
Downstreams
| ASN | Name | IPs Count |
|---|---|---|
| AS2501 | NET The University of Tokyo | 200,704 |
| AS2504 | Kyoto University | 132,096 |
| AS2505 | High Energy Accelerator Research Organization | 74,240 |
| AS2506 | UPERCSI NTT WEST CHUGOKU CORPORATION | 279,808 |
| AS2508 | KYUSHU-U Kyushu University | 65,536 |
| AS2513 | Japan Science and Technology Agency | 65,536 |
| AS2523 | JSPS 163rd Committee on Internet Technology | 65,536 |
| AS3488 | XANET Information Systems Department | 115,200 |
| AS4729 | Japan Atomic Energy Agency | 131,072 |
| AS4730 | Osaka University | 67,584 |
| AS7660 | Japan | 5,376 |
| AS9367 | Tokyo Institute of Technology | 65,536 |
| AS9591 | National Institute for Fusion Science | 65,536 |
| AS9991 | Hiroshima Shudo University | 65,536 |
| AS10014 | Nihon University | 65,536 |
| AS17523 | Aoyama Gakuin University | 65,536 |
| AS17701 | Seinan Gakuin University | 65,536 |
| AS17932 | Japan Advanced Institute of Science and Technology | 65,792 |
| AS17944 | Japan Weather Association | 65,792 |
| AS17946 | Gifu University | 65,536 |
| AS17956 | WASEDA University | 65,536 |
| AS17960 | University of the Ryukyus | 65,536 |
| AS18076 | Institute of Advanced Media Arts and Sciences | 2,048 |
| AS18087 | Toyo University | 65,536 |
| AS18091 | Teikyo University | 1,024 |
| AS18123 | INAOKI EDUCATIONAL INSTITUTION | 1,536 |
| AS18124 | Okayama University of Science | 65,536 |
| AS18125 | Ministry of Agriculture | 65,536 |
| AS18128 | RIKEN(Physical and Chemical Research Institute) | 65,536 |
| AS18148 | Fukuoka University | 65,536 |
| AS18267 | Doshisha University | 20,480 |
| AS18276 | Kansai University | 65,536 |
| AS23615 | University of Shizuoka | 65,536 |
| AS23623 | Chuo University | 65,536 |
| AS23781 | OYAMA-AN-AS Toyama University | 72,704 |
| AS23793 | National Institute of Advanced Industrial Science and Technology | 199,936 |
| AS23807 | Ritsumeikan University | 65,536 |
| AS23826 | Daido University | 1,024 |
| AS24248 | Wakayama University | 65,536 |
| AS24254 | Kyoto Sangyo University | 65,536 |
| AS24260 | Board of trusty: Kinjo-Gakuen | 512 |
| AS24261 | MIE-U Mie University | 66,304 |
| AS24264 | Kanazawa Institute of Technology | 4,096 |
| AS24268 | National University Corporation Shizuoka University | 65,536 |
| AS24287 | National Institute of Informatics | 256 |
| AS24297 | University Public Corporation Osaka | 131,072 |
| AS37889 | J-PARC Center | 1,792 |
| AS37910 | Chubu University | 65,536 |
| AS37914 | NIVNET Advanced Software Technology and Management Research Institute of KYOTO | 4,608 |
| AS37917 | University of Tsukuba | 132,096 |
| AS37918 | Nippon Telegraph and Telephone Corporation | 69,376 |
| AS38635 | Keio University | 131,072 |
| AS38641 | Osaka Sangyo University | 65,536 |
| AS45685 | Rikkyo Gakuin Rikkyo University | 8 |
| AS45688 | The University of Tokyo Interfaculty Initiative in Information Studies | 3,584 |
| AS55373 | Foundation for Biomedical Research and Innovation | 256 |
| AS55379 | HOSEI-NET Hosei University | 65,536 |
| AS55380 | Kanazawa University | 65,536 |
| AS55390 | Tokyo University of Science | 65,536 |
| AS55904 | KOGAKUIN University | 65,536 |
| AS55909 | KOCHI-CT Kochi National College of Technology | 256 |
| AS55910 | Shibaura Institute of Technology | 16,384 |
| AS55912 | U-KOCHI University of Kochi | 4,352 |
| AS58647 | Kagawa University | 73,728 |
| AS58652 | OCHI-U-NET Kochi University | 65,536 |
| AS58784 | Rissho University | 2,048 |
| AS58785 | Tohoku Gakuin University | 65,536 |
| AS59091 | Kanagawa Institute of Technology | 8,192 |
| AS59096 | Meiji Gakuin University | 8,192 |
| AS59103 | SoftEther Corporation | 3,328 |
| AS59104 | Soka University | 65,536 |
| AS59111 | Akita International University | 256 |
| AS59115 | CYBERDYNE Inc. | 256 |
| AS63770 | Industrial Cyber Security Center of Excellence | 17,408 |
| AS63783 | Chiba University of Commerce | 2,048 |
| AS131158 | Nara Institute of Science and Technology | 512 |
| AS131159 | Yamagata University | 65,536 |
| AS131895 | Okinawa Institute of science and technology | 384 |
| AS131897 | National University Corporation | 65,536 |
| AS131919 | Meiji University | 65,536 |
| AS131946 | MUSASHINO UNIVERSITY E.F. | 512 |
| AS131961 | Dokkyo University | 1,024 |
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