AS5520 Universitaet zu Koeln 🇩🇪 DE
Announcing 7 prefixes, seen at the RIS collectors.
IPv4 prefixes
6
68,096 (266 × /24)
IPv6 prefixes
1
8 × /32
Upstreams
1
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
- AS5520
- Name
- Universitaet zu Koeln
- Organisation
- Universitaet zu Koeln
- Country
- 🇩🇪 DE
- RIR
- RIPENCC
- Allocated
- 1996-01-23
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
7 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 134.95.0.0/16 v4 | RPKI valid | 43 | 345496805520 | 2026-09-18 |
| 134.107.209.0/24 v4 | no ROA | 43 | 345496805520 | 2026-09-18 |
| 134.107.216.0/23 v4 | no ROA | 43 | 345496805520 | 2026-09-18 |
| 134.107.225.0/24 v4 | no ROA | 43 | 345496805520 | 2026-09-18 |
| 134.107.226.0/23 v4 | no ROA | 43 | 345496805520 | 2026-09-18 |
| 185.240.116.0/22 v4 | RPKI valid | 43 | 345496805520 | 2026-09-18 |
| 2a00:a200::/29 v6 | RPKI valid | 35 | 345496805520 | 2026-09-18 |