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AS14
COLUMBIA-GW - Columbia University Announcing routesAS nameCOLUMBIA-GW
OrganisationColumbia University
Registry (RIR)ARIN
HandleAS14
RangeAS14
Registered—
Last changed28 Jun 2010
Abuse contact[email protected]
11IPv4 prefixes
1IPv6 prefixes
3Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS174 | COGENT-174 - Cogent Communications, LLC | 286 |
| AS3754 | NYSERNET3-AS - NYSERNet | 10 |
| AS3630 | NYSERNET-BLK - NYSERNet | 2 |
Downstreams
None seen.
IPv4 prefixes (11)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS14
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Columbia University | COLUMB | 612 W 115TH ST, NEW YORK, NY, 10025, United States | |
| abuse | COLUMBIA UNIVERSITY ABUSE CONTACT | CUAC-ARIN | [email protected], +1-212-854-1919 | 612 W 115TH ST, NEW YORK, NY, 10025, United States |
| technical, administrative | Columbia University Computer Operations | CU-NOC-ARIN | [email protected], +1-212-854-1919 | 2960 Broadway, NEW YORK, NY, 10027, United States |
Raw registry response
{
"endAutnum": 14,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-06T14:32:25-05:00"
},
{
"eventAction": "registration",
"eventDate": "2004-06-30T15:37:18-04:00"
}
],
"handle": "CUAC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CUAC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/14"
},
{
"href": "https://whois.arin.net/rest/poc/CUAC-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/14"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Contact for abuse"
],
"title": "Registration Comments"
}
],
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "612 W 115TH ST\nNEW YORK\nNY\n10025\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"COLUMBIA UNIVERSITY ABUSE CONTACT"
],
[
"org",
[],
"text",
"Columbia University"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-212-854-1919"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-22T15:55:30-04:00"
}
],
"handle": "CU-NOC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CU-NOC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/14"
},
{
"href": "https://whois.arin.net/rest/poc/CU-NOC-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/14"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Contact [email protected] for abuse"
],
"title": "Registration Comments"
}
],
"roles": [
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "2960 Broadway\nNEW YORK\nNY\n10027\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Columbia University Computer Operations"
],
[
"org",
[],
"text",
"Columbia University Network Operations"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-212-854-1919"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2017-01-28T08:32:29-05:00"
}
],
"handle": "COLUMB",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/COLUMB",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/14"
},
{
"href": "https://whois.arin.net/rest/org/COLUMB",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/14"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Columbia University"
],
[
"adr",
{
"label": "612 W 115TH ST\nNEW YORK\nNY\n10025\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2010-06-28T12:25:18-04:00"
}
],
"handle": "AS14",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/14",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/14"
},
{
"href": "https://whois.arin.net/rest/asn/AS14",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/14"
}
],
"name": "COLUMBIA-GW",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/14"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/14"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"startAutnum": 14,
"status": [
"active"
]
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