CAMBRIDGESHIRE-SCHOOLS
Data as of 2026-08-23
BGP inherited
Cluster stats
| Netblocks | 5 · 696 IPv4 addresses |
| Cluster ID | 228622579 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (5)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.87.20.0/23 | CAMBRIDGESHIRE-SCHOOLS | RIPE | ASSIGNED PA | ● low |
| 81.87.22.0/25 | CAMBRIDGESHIRE-SCHOOLS | RIPE | ASSIGNED PA | ● low |
| 81.87.22.128/27 | CAMBRIDGESHIRE-SCHOOLS | RIPE | ASSIGNED PA | ● low |
| 81.87.22.160/28 | CAMBRIDGESHIRE-SCHOOLS | RIPE | ASSIGNED PA | ● low |
| 81.87.22.176/29 | CAMBRIDGESHIRE-SCHOOLS | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(5 of 5)
No discrepancies found among checked blocks.
Routed via provider/NREN (1)
These blocks are cryptographically authorized for this organisation's national research & education network or transit provider — expected topology for an institution that routes through it, not a discrepancy.
| 81.87.20.0/23 /23 | routed via AS786 — Jisc (Jisc Services Limited) |
NIC Handles
DUMY-RIPE
DUMY-RIPE
JANET-HOSTMASTER