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
Announced prefixes
12 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 128.59.0.0/16 v4 | no ROA | 42 | 3454917414 | 2026-09-18 |
| 129.236.0.0/16 v4 | no ROA | 42 | 3454917414 | 2026-09-18 |
| 160.39.0.0/16 v4 | no ROA | 42 | 3454917414 | 2026-09-18 |
| 192.5.43.0/24 v4 | no ROA | 42 | 3454917414 | 2026-09-18 |
| 192.12.82.0/24 v4 | no ROA | 42 | 3454917414 | 2026-09-18 |
| 207.10.136.0/21 v4 | no ROA | 42 | 3454917414 | 2026-09-18 |
| 209.2.47.0/24 v4 | no ROA | 42 | 3454917414 | 2026-09-18 |
| 209.2.48.0/22 v4 | no ROA | 42 | 3454917414 | 2026-09-18 |
| 209.2.185.0/24 v4 | no ROA | 42 | 3454917414 | 2026-09-18 |
| 209.2.208.0/20 v4 | no ROA | 42 | 3454917414 | 2026-09-18 |
| 209.2.224.0/20 v4 | no ROA | 42 | 3454917414 | 2026-09-18 |
| 2001:18d8::/32 v6 | no ROA | 35 | 3454917414 | 2026-09-18 |