Universitaet zu Koeln
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 9 · 68,352 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2a00:a200::/29) |
| All fragments | 13 blocks across 2 clusters |
| Cluster ID | 213690188 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
12
0 netblocks since 2026-07-05
2026-07-05
peak 12
2026-07-26
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 134.95.0.0/16 | Universitaet zu Koeln | BGP | ANNOUNCED | ● high |
| 134.107.209.0/24 | Universitaet zu Koeln | BGP | ANNOUNCED | ● high |
| 134.107.216.0/23 | Universitaet zu Koeln | BGP | ANNOUNCED | ● high |
| 134.107.225.0/24 | Universitaet zu Koeln | BGP | ANNOUNCED | ● high |
| 134.107.226.0/23 | Universitaet zu Koeln | BGP | ANNOUNCED | ● high |
| 185.240.116.0/22 | Universitaet zu Koeln | BGP | ANNOUNCED | ● high |
| 2a00:a200::/29 | Universitaet zu Koeln | BGP | ANNOUNCED | ● high |
| 2a00:a200::/48 | Universitaet zu Koeln | RIPE | ASSIGNED | ● medium |
| 192.76.170.0/24 | Universitaet zu Koeln | RIPE | ASSIGNED PI | ● low |
IPv6 ranges (2)
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: C
how networks compare →
58.3%
of checked blocks have valid RPKI ROA coverage
(7 of 12)
No discrepancies found among checked blocks.
NIC Handles
AS5520
AS5520-MNT
AS5520-MNT
DUMY-RIPE
DUMY-RIPE
IUZK1-RIPE
ORG-UzK1-RIPE
RIPE-NCC-END-MNT
RIPE-NCC-HM-MNT
RIPE-NCC-LEGACY-MNT