AS14 — Columbia University
AS Name: COLUMBIA-GW
Description: Columbia University (COLUMB)
Registry: RADB
aut-num: AS14
as-name: COLUMBIA-GW
descr: Columbia University (COLUMB)
admin-c: CU-NOC-ARIN
tech-c: CU-NOC-ARIN
mnt-by: MAINT-AS14
changed: noc@columbia.edu 20190823 #19:10:34Z
source: RADB
last-modified: 2023-11-13T16:02:40Z
Direct Membership
Macros that directly list AS14 as a member:
AS-NYSR-DE(34 members)
AS3630:AS-CONNECTORS(72 members)
AS3754:AS-CONNECTORS(73 members)
AS-LEVEL3-IPV6(158 members)
AS-AS209-CUST(1818 members)
Expanded Membership
All macros containing AS14 (directly or via nested macros): 25
Show 25 macros
AS-NYSR-DE(34 ASNs)
AS3630:AS-CONNECTORS(72 ASNs)
AS3630:AS-ALL(73 ASNs)
AS3754:AS-CONNECTORS(73 ASNs)
AS3754:AS-ALL(74 ASNs)
AS-AS209-CUST(1,818 ASNs)
AS-QWEST-CUST(1,818 ASNs)
AS11164:AS-PARTICIPANTS(1,830 ASNs)
AS11164:AS-ALL(1,835 ASNs)
AS11537:AS-PARTICIPANTS-BETA(1,841 ASNs)
AS11537:AS-CONE-BETA(1,847 ASNs)
AS20965:AS-FROM-INTERNET2-TO-GEANT(2,433 ASNs)
AS293:AS-FROM-I2-TO-ESNET(2,941 ASNs)
AS-GEANTNRENPEERS(3,149 ASNs)
AS-LEVEL3-IPV6(3,475 ASNs)
AS-AS209(10,244 ASNs)
AS-QWEST(10,244 ASNs)
AS-KDDTRANSIT(11,930 ASNs)
AS-EUNET(13,944 ASNs)
AS-DECIX-NYC(80,230 ASNs)
AS-DECIX-NYC-V6(80,230 ASNs)
AS63034:AS-DECIX-NYC(80,230 ASNs)
AS63034:AS-DECIX-NYC-V6(80,230 ASNs)
AS-SEATTLEIX-RS-CLIENTS(84,639 ASNs)
AS-ST1-IXPS(96,670 ASNs)
Upstream AS Paths
23 unique paths, avg length 2.4
AS Looking Glass
Upstream paths (matching graph above)
All 23 Upstream Paths
Complete list of all observed paths
AS14 IPv4 Address Subnets (11)
| 128.59.0.0/16 | 🇺🇸 US | CU-NET-128-59-0-0 | COLUMBIA-GW |
| 129.236.0.0/16 | 🇺🇸 US | CU-NET-129-236-0-0 | COLUMBIA-GW |
| 160.39.0.0/16 | 🇺🇸 US | CU-NET-160-39-0-0 | COLUMBIA-GW |
| 209.2.208.0/20 | 🇺🇸 US | CU-NET-209-2-208-0 | COLUMBIA-GW |
| 209.2.224.0/20 | 🇺🇸 US | CU-NET-209-2-224-0 | COLUMBIA-GW |
| 207.10.136.0/21 | 🇺🇸 US | CU-NET-207-10-136-0 | COLUMBIA-GW |
| 209.2.48.0/22 | 🇺🇸 US | CU-NET-209-2-48-0 | COLUMBIA-GW |
| 192.12.82.0/24 | 🇺🇸 US | CU-NET-192-12-82-0 | COLUMBIA-GW |
| 192.5.43.0/24 | 🇺🇸 US | CU-NET-192-5-43-0 | COLUMBIA-GW |
| 209.2.185.0/24 | 🇺🇸 US | CU-NET-209-2-185-0 | COLUMBIA-GW |
AS14 IPv6 Address Subnets (1)
| 2001:18d8::/32 | 🇺🇸 US | CU-NET-2001-18D8 | COLUMBIA-GW |