AS14

Name: AS14 — Columbia University
Creator: ipdex

Columbia University Unknown registered in United States

11IPv4 prefixes

1IPv6 prefixes

#12,698AS Rank

326/327RIS visibility

#2,763Rank in United States

Columbia University (AS14) — Unknown, registered in United States. announces 11 IPv4 prefixes + 1 IPv6 prefixes. Rank in United States: #2763.

IPv4 11IPv6 1

Announced prefixes · 12

v4 128.59.0.0/16 unknown
v4 129.236.0.0/16 unknown
v4 160.39.0.0/16 unknown
v4 192.12.82.0/24 unknown
v4 192.5.43.0/24 unknown
v4 207.10.136.0/21 unknown
v4 209.2.185.0/24 unknown
v4 209.2.208.0/20 unknown
v4 209.2.224.0/20 unknown
v4 209.2.47.0/24 unknown
v4 209.2.48.0/22 unknown
v6 2001:18d8::/32 unknown

Routing: 11 IPv4 · 1 IPv6 announced · RIS visibility 326/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	12
2026-06-13	12

AS topology · Customer cone 1

Providers · 3

AS174 Cogent Communications, LLC
AS3754 NYSERNet
AS3630 NYSERNet

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