Nottingham Trent University
Cluster stats
| Netblocks | 8 |
| All fragments | 71 blocks across 27 clusters |
| Cluster ID | 191877988 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 152.71.0.0/16 | Nottingham Trent University | RIPE | LEGACY | ● high |
| 193.63.61.128/27 | NOTTINGHAM-TRENT | RIPE | ASSIGNED PA | ● low |
| 194.81.55.224/28 | NOTTINGHAM-TRENT | RIPE | ASSIGNED PA | ● low |
| 195.194.88.0/23 | NOTTINGHAM-COL | RIPE | ASSIGNED PA | ● low |
| 195.195.41.0/24 | NOTTINGHAM-COL | RIPE | ASSIGNED PA | ● low |
| 212.219.119.128/28 | NOTTINGHAM-COL | RIPE | ASSIGNED PA | ● low |
| 212.219.132.0/24 | NOTTINGHAM-COL | RIPE | ASSIGNED PA | ● low |
| 2001:630:303::/48 | NOTTINGHAM-TRENT | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(8 of 8)
Possible discrepancies (5)
These blocks are registered to Nottingham Trent University 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.
| 2001:630:303::/48 /48 | authorized for AS786 — Jisc Services Limited |
| 152.71.0.0/16 /16 | authorized for AS786 — Jisc Services Limited |
| 195.194.88.0/23 /23 | authorized for AS786 — Jisc Services Limited |
| 195.195.41.0/24 /24 | authorized for AS786 — Jisc Services Limited |
| 212.219.132.0/24 /24 | authorized for AS786 — Jisc Services Limited |
NIC Handles
DUMY-RIPE
DUMY-RIPE
JANET-HOSTMASTER
JIPS-NOSC
ORG-NTU1-RIPE
RIPE-NCC-LEGACY-MNT