AS14 Columbia University 🇺🇸 US

Announcing 12 prefixes, seen at the RIS collectors.

IPv4 prefixes
11
208,896 (816 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS14
Name
Columbia University
Organisation
Columbia University
Country
🇺🇸 US
RIR
ARIN
Scope
Not Disclosed
Peering policy
Open
PeeringDB
net/27776

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 12 no ROA (100.0%)

Announced prefixes

1 in total

Prefix RPKI Peers Sample path First seen
2001:18d8::/32 v6 no ROA 32 3454917414 2026-09-18