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  3. AS1742

AS1742

Harvard University

HARVARD-UNIV
Organization
Title
Harvard University
Details
Regional Internet registry
ARIN
IP Addresses count
215,808
Coordinates
Summary
The organization Harvard University allocates 13 IP netblocks under the autonomous system number (ASN ) of 1742. 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.

AS1742 has 7 peers, 4 upstreams and 3 downstreams with a total of 215,808 IP addresses.
IP Address ranges
Block Description IPs count
12.0.48.0/20 NET-TWELVE 4,096
12.6.208.0/20 NET-TWELVE 4,096
65.112.0.0/20 Centurylink Communications 4,096
67.134.204.0/22 Centurylink Communications 1,024
128.103.0.0/16 AS1742 proxy-registered route by Cogent 65,536
131.142.0.0/16 AS1742 proxy-registered route by Cogent 65,536
140.247.0.0/16 Harvard University (HARVAR) 65,536
192.5.66.0/24 AS1742 proxy-registered route by Cogent 256
192.54.223.0/24 Harvard University (HARVAR) 256
192.131.102.0/24 Prolexic Technologies, Inc. 256
199.94.60.0/22 Harvard University (HARVAR) 1,024
206.191.184.0/21 INAP-SEA 2,048
206.253.200.0/21 INAP-ACS-HARVARD-206-253-200-0 2,048
Peers
ASN Name IPs Count
AS174 Cogent Communications 27,507,456
AS13315 Harvard Business School 12,544
AS40127 Longwood Medical and Academic Area (LMA) 65,536
AS394784 Massachusetts Eye and Ear Infirmary 512
AS3356 Level 3 Parent, LLC 38,461,440
AS10578 Harvard University 16,384
AS10913 Internap Holding LLC 51,712
Upstreams
ASN Name IPs Count
AS174 Cogent Communications 27,507,456
AS3356 Level 3 Parent, LLC 38,461,440
AS10578 Harvard University 16,384
AS10913 Internap Holding LLC 51,712
Downstreams
ASN Name IPs Count
AS13315 Harvard Business School 12,544
AS40127 Longwood Medical and Academic Area (LMA) 65,536
AS394784 Massachusetts Eye and Ear Infirmary 512
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