Radboud Universiteit Nijmegen
Cluster stats
| Netblocks | 18 |
| Cluster ID | 191872164 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (18)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 131.174.0.0/16 | Radboud Universiteit Nijmegen | RIPE | LEGACY | ● low |
| 145.97.24.0/21 | Radboud Universiteit Nijmegen | RIPE | LEGACY | ● low |
| 145.102.16.0/21 | Radboud Universiteit Nijmegen | RIPE | LEGACY | ● low |
| 145.102.24.0/21 | Radboud Universiteit Nijmegen | RIPE | LEGACY | ● low |
| 145.107.16.0/21 | Radboud Universiteit Nijmegen | RIPE | LEGACY | ● low |
| 145.107.24.0/22 | Radboud Universiteit Nijmegen | RIPE | LEGACY | ● low |
| 145.116.128.0/18 | Radboud Universiteit Nijmegen | RIPE | LEGACY | ● low |
| 145.122.0.0/16 | Radboud Universiteit Nijmegen | RIPE | LEGACY | ● low |
| 145.137.128.0/18 | Radboud Universiteit Nijmegen | RIPE | LEGACY | ● low |
| 192.87.224.0/22 | Radboud Universiteit Nijmegen | RIPE | LEGACY | ● low |
| 194.171.86.0/24 | Radboud Universiteit Nijmegen | RIPE | ASSIGNED PA | ● low |
| 194.171.87.0/24 | Radboud Universiteit Nijmegen | RIPE | ASSIGNED PA | ● low |
| 195.169.192.0/21 | Radboud Universiteit Nijmegen | RIPE | ASSIGNED PA | ● low |
| 195.169.200.0 – 195.169.226.255 | Radboud Universiteit Nijmegen | RIPE | ASSIGNED PA | ● low |
| 195.169.227.0/24 | Radboud Universiteit Nijmegen | RIPE | ASSIGNED PA | ● low |
| 195.169.228.0/22 | Radboud Universiteit Nijmegen | RIPE | ASSIGNED PA | ● low |
| 195.169.242.192/26 | Radboud Universiteit Nijmegen | RIPE | ASSIGNED PA | ● low |
| 2001:610:1418::/48 | Radboud Universiteit Nijmegen | RIPE | ALLOCATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(18 of 18)
Possible discrepancies (17)
These blocks are registered to Radboud Universiteit Nijmegen but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2001:610:1418::/48 /48 | authorized for AS1103 — SURF B.V. |
| 131.174.0.0/16 /16 | authorized for AS1103 — SURF B.V. |
| 145.122.0.0/16 /16 | authorized for AS1103 — SURF B.V. |
| 145.116.128.0/18 /18 | authorized for AS1103 — SURF B.V. |
| 145.137.128.0/18 /18 | authorized for AS1103 — SURF B.V. |
| 195.169.200.0 – 195.169.226.255 /19 | authorized for AS1103 — SURF B.V. |
| 145.102.16.0/21 /21 | authorized for AS1103 — SURF B.V. |
| 195.169.192.0/21 /21 | authorized for AS1103 — SURF B.V. |
| 145.97.24.0/21 /21 | authorized for AS1103 — SURF B.V. |
| 145.102.24.0/21 /21 | authorized for AS1103 — SURF B.V. |
| 145.107.16.0/21 /21 | authorized for AS1103 — SURF B.V. |
| 192.87.224.0/22 /22 | authorized for AS1103 — SURF B.V. |
| 195.169.228.0/22 /22 | authorized for AS1103 — SURF B.V. |
| 145.107.24.0/22 /22 | authorized for AS1103 — SURF B.V. |
| 194.171.86.0/24 /24 | authorized for AS1103 — SURF B.V. |
+2 more — see the REST API
NIC Handles
DUMY-RIPE
DUMY-RIPE
ORG-RU11-RIPE
RIPE-NCC-LEGACY-MNT
SN-LIR-MNT
SURF-AUTO-MNT