AS5520 UNI-KOELN Universitaet zu Koeln
🇩🇪Org handle: ORG-UzK1-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
7total
6 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)66,816
Announced (BGP)68,096
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)6.3×10²⁹
Announced Prefixes
(BGP)7|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-11 | |
| No ROA | RIPE | 2026-10-11 | |
| No ROA | RIPE | 2026-10-11 | |
| No ROA | RIPE | 2026-10-11 | |
| No ROA | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | - | 2026-10-11 |
Allocated Prefixes
(RIR)5Prefix | Country | RIR | Status |
|---|---|---|---|
| 134.95.0.0/16 | 🇩🇪 DE | RIPENCC | assigned |
| 185.240.116.0/22 | 🇩🇪 DE | RIPENCC | allocated |
| 192.76.170.0/24 | 🇩🇪 DE | RIPENCC | assigned |
| 2a00:a200::/29 | 🇩🇪 DE | RIPENCC | allocated |
| 2a00:a200::/48 | 🇩🇪 DE | RIPE | assigned |
All 7 announced prefixes of AS5520 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS5520 hands its own prefixes to: transit providers, or peers at an exchange.
- AS680DFN Verein Zur Foerderung Eines Deutschen Forschungsnetzes E.V7
ASPA
No ASPA
Abuse Contact
+31205354444
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS5520 should publish an ASPA object
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/5520Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/5520" | jq