Cambridge University Press Limited
Cambridge University Press (Holdings) Limited
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 4 · 1,536 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a03:7040::/32) |
| All fragments | 8 blocks across 2 clusters |
| Cluster ID | 214448773 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 91.240.2.0/23 | Cambridge University Press (Holdings) Limited | BGP | ANNOUNCED | ● high |
| 185.198.132.0/22 | Cambridge University Press (Holdings) Limited | RIPE | ALLOCATED PA | ● low |
| 185.198.132.0/24 | Cambridge University Press (Holdings) Limited | RIPE | ASSIGNED PA | ● low |
| 2a03:7040::/32 | Cambridge University Press (Holdings) Limited | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2a03:7040::/32 |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
80.0%
of checked blocks have valid RPKI ROA coverage
(4 of 5)
No discrepancies found among checked blocks.
NIC Handles
AS198863
CUPRESS-MNT
DUMY-RIPE
DUMY-RIPE
ORG-CUPL2-RIPE
QUZAUK
QUZAUK
RIPE-NCC-END-MNT
RIPE-NCC-HM-MNT