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  3. AS21688

AS21688

GMP-METROCAST

GMP-METROCAST
Organization
Title
GMP-METROCAST
Details
Regional Internet registry
ARIN
IP Addresses count
43,520
Coordinates
Summary
The organization GMP-METROCAST allocates 108 IP netblocks under the autonomous system number (ASN ) of 21688. The regional internet registry (RIR ) for this ASN is ARIN. The country in which these IPs are located is United States of America (US), which is on #1 out of 249 countries by the total amount of ASNs allocated - 27,927.

AS21688 has 6 peers, 3 upstreams and 3 downstreams with a total of 43,520 IP addresses.
IP Address ranges
Block Description IPs count
24.153.40.0/22 METROCAST-MAR-4 1,024
24.153.40.0/24 METROCAST-MAR-4 256
24.153.40.0/23 HR CB TRANSIT 512
24.153.41.0/24 HR CB TRANSIT 256
24.153.42.0/23 HR CB TRANSIT 512
24.153.42.0/24 HR CB TRANSIT 256
24.153.43.0/24 HR CB TRANSIT 256
24.153.50.0/23 HR CB TRANSIT 512
24.153.50.0/24 HR CB TRANSIT 256
24.153.51.0/24 HR CB TRANSIT 256
24.153.52.0/22 HR CB TRANSIT 1,024
24.153.52.0/23 METROCAST-MAR-4 512
24.153.52.0/24 METROCAST-MAR-4 256
24.153.53.0/24 HR CB TRANSIT 256
24.153.54.0/24 METROCAST-MAR-4 256
24.153.54.0/23 METROCAST-MAR-4 512
24.153.55.0/24 HR CB TRANSIT 256
24.233.200.0/23 PNAP-ACS harron-routes 512
24.233.208.0/24 PNAP-ACS harron-routes 256
24.233.208.0/23 PNAP-ACS harron-routes 512
24.233.208.0/22 PNAP-ACS harron-routes 1,024
24.233.220.0/24 METROCAST-MS-STARK 256
24.233.222.0/24 PNAP-ACS harron-routes 256
24.245.96.0/22 PNAP-ACS harron-routes 1,024
24.245.96.0/23 PNAP-ACS harron-routes 512
24.245.96.0/21 METROCAST-MAR-3 2,048
24.245.98.0/23 PNAP-ACS harron-routes 512
24.245.100.0/22 PNAP-ACS harron-routes 1,024
24.245.100.0/23 METROCAST-MAR-3 512
24.245.102.0/23 PNAP-ACS harron-routes 512
24.245.104.0/24 METROCAST-MAR-3 256
65.99.96.0/20 MMC-MCI-1 4,096
65.99.112.0/24 GCT-17 256
65.99.121.0/24 MMC-MCI-1 256
69.161.80.0/22 PNAP-ACS harron-routes 1,024
69.161.80.0/21 METROCAST-BLOCK-5 2,048
69.161.80.0/20 PNAP-ACS harron-routes 4,096
69.161.84.0/22 PNAP-ACS harron-routes 1,024
69.161.88.0/21 METROCAST-BLOCK-5 2,048
69.161.88.0/22 PNAP-ACS harron-routes 1,024
69.161.92.0/22 PNAP-ACS harron-routes 1,024
72.9.0.0/22 GMPEXPRESS 1,024
72.9.0.0/20 AS-INTERNAP-ROUTES 4,096
72.9.0.0/21 AS-INTERNAP-ROUTES 2,048
72.9.4.0/22 GMPEXPRESS 1,024
72.9.12.0/22 AS-INTERNAP-ROUTES 1,024
74.214.57.0/24 MD-HOLLYWOOD-CPE 256
74.214.58.0/24 MD-HOLLYWOOD-CPE 256
74.214.59.0/24 MD-HOLLYWOOD-CPE 256
74.214.60.0/22 AS-INTERNAP-ROUTES 1,024
74.214.60.0/23 METROCAST-MAR 512
74.214.60.0/24 MD-HOLLYWOOD-CPE 256
74.214.61.0/24 MD-HOLLYWOOD-CPE 256
74.214.62.0/24 AS-INTERNAP-ROUTES 256
74.214.62.0/23 METROCAST-MAR 512
74.214.63.0/24 MD-HOLLYWOOD-CPE 256
146.168.23.0/24 MD-HOLLYWOOD-CPE 256
146.168.63.0/24 Atlantic Broadband 256
146.168.136.0/23 Atlantic Broadband 512
146.168.144.0/23 Atlantic Broadband 512
146.168.163.0/24 Atlantic Broadband 256
146.168.164.0/23 ATLAN-19 512
146.168.164.0/24 Atlantic Broadband 256
146.168.165.0/24 MD-HOLLYWOOD-CPE 256
146.168.175.0/24 ATLAN-19 256
146.168.240.0/20 ATLAN-19 4,096
146.168.248.0/23 Atlantic Broadband 512
146.168.250.0/23 Atlantic Broadband 512
146.168.252.0/23 Atlantic Broadband 512
146.168.254.0/23 Atlantic Broadband 512
162.210.24.0/23 Atlantic Broadband 512
162.210.24.0/24 Atlantic Broadband 256
162.210.25.0/24 Atlantic Broadband 256
162.210.26.0/24 Atlantic Broadband 256
173.44.75.0/24 PNAP-ACS harron-routes 256
173.44.76.0/22 PNAP-ACS harron-routes 1,024
173.44.76.0/23 METROCAST-BLOCK-6 512
173.44.76.0/24 PNAP-ACS harron-routes 256
173.44.77.0/24 MD-HOLLYWOOD-CPE 256
173.44.78.0/24 PNAP-ACS harron-routes 256
173.44.78.0/23 METROCAST-BLOCK-6 512
173.44.79.0/24 PNAP-ACS harron-routes 256
173.44.96.0/24 PNAP-ACS harron-routes 256
173.44.105.0/24 METROCAST-BLOCK-6 256
173.44.106.0/24 PNAP-ACS harron-routes 256
173.44.106.0/23 PNAP-ACS harron-routes 512
173.44.107.0/24 PNAP-ACS harron-routes 256
173.44.120.0/24 PNAP-ACS harron-routes 256
173.44.121.0/24 METROCAST-BLOCK-6 256
198.52.15.0/24 Atlantic Broadband 256
208.90.140.0/24 PNAP-BSN harron-routes 256
208.90.140.0/23 METROCAST-MAR-8 512
208.90.141.0/24 METROCAST-MAR-8 256
208.90.142.0/24 PNAP-BSN harron-routes 256
208.90.143.0/24 PNAP-BSN harron-routes 256
209.42.135.0/24 ALECI001 256
209.42.153.0/24 ALECI001 256
216.10.160.0/24 ALECI001 256
216.10.161.0/24 MD-HOLLYWOOD-CPE 256
216.10.172.0/22 ALECI001 1,024
216.10.182.0/24 ALECI001 256
216.36.0.0/19 AS-INTERNAP-ROUTES 8,192
216.36.0.0/21 GMPEXPRESS 2,048
216.36.0.0/20 AS-INTERNAP-ROUTES 4,096
216.36.8.0/21 AS-INTERNAP-ROUTES 2,048
216.36.16.0/20 AS-INTERNAP-ROUTES 4,096
216.36.16.0/21 AS-INTERNAP-ROUTES 2,048
216.36.24.0/21 AS-INTERNAP-ROUTES 2,048
Peers
ASN Name IPs Count
AS174 Cogent Communications 27,507,456
AS3356 Level 3 Parent, LLC 38,461,440
AS11776 Atlantic Broadband Finance, LLC 547,584
AS23391 Atlantic Broadband Finance, LLC 20,224
AS26504 METRO-VA-KG 17,152
AS36790 Atlantic Broadband Finance, LLC 26,112
Upstreams
ASN Name IPs Count
AS174 Cogent Communications 27,507,456
AS3356 Level 3 Parent, LLC 38,461,440
AS11776 Atlantic Broadband Finance, LLC 547,584
Downstreams
ASN Name IPs Count
AS23391 Atlantic Broadband Finance, LLC 20,224
AS26504 METRO-VA-KG 17,152
AS36790 Atlantic Broadband Finance, LLC 26,112
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