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  3. AS14

AS14

Columbia University

COLUMBIA-GW
Organization
Title
Columbia University
Details
Regional Internet registry
ARIN
IP Addresses count
208,896
Coordinates
Summary
The organization Columbia University allocates 11 IP netblocks under the autonomous system number (ASN ) of 14. 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.

AS14 has 3 peers, 3 upstreams and 0 downstreams with a total of 208,896 IP addresses.
IP Address ranges
Block Description IPs count
128.59.0.0/16 Columbia University (COLUMB) 65,536
129.236.0.0/16 CU-NET-129-236-0-0 65,536
160.39.0.0/16 CU-NET-160-39-0-0 65,536
192.5.43.0/24 Columbia University (COLUMB) 256
192.12.82.0/24 Proxy-registered route object 256
207.10.136.0/21 Windstream (US LEC) 2,048
209.2.47.0/24 Nysernet/Columbia University (NYSERN-31) 256
209.2.48.0/22 Windstream (US LEC) 1,024
209.2.185.0/24 Columbia University (COLUMB) 256
209.2.208.0/20 Windstream (US LEC) 4,096
209.2.224.0/20 Windstream (US LEC) 4,096
Peers
ASN Name IPs Count
AS174 Cogent Communications 27,507,456
AS3630 NYSERNet 512
AS3754 NYSERNet 0
Upstreams
ASN Name IPs Count
AS174 Cogent Communications 27,507,456
AS3630 NYSERNet 512
AS3754 NYSERNet 0
Downstreams
There are no downstreams for this ASN.
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