Bletchley Networks Limited
BGP inherited
Cluster stats
| Netblocks | 9 · 772 IPv4 addresses |
| Cluster ID | 210807108 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-19
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 194.6.234.0/24 | Bletchley Networks Limited | BGP | ANNOUNCED | ● high |
| 81.145.58.72/29 | BLETCHLEY-PARK | RIPE | ASSIGNED PA | ● low |
| 193.243.167.0/24 | Bletchley Networks Limited | RIPE | ALLOCATED PA | ● low |
| 194.6.234.0/24 | Bletchley Networks Limited | RIPE | ALLOCATED PA | ● low |
| 2a00:2381:110a::/48 | BLETCHLEY-CAR | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:c090::/48 | BLETCHLEY-AND | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:c230::/48 | BLETCHLEY-PARK | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:c230::/56 | BLETCHLEY-PARK | RIPE | ASSIGNED | ● low |
| 2a13:8e80::/29 | Bletchley Networks Limited | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
55.6%
of checked blocks have valid RPKI ROA coverage
(5 of 9)
Possible discrepancies (4)
These blocks are registered to Bletchley Networks Limited 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.
| 2a00:2381:110a::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:c090::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:c230::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:c230::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
NIC Handles
AS199716
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
ORG-BNL24-RIPE
RIPE-NCC-HM-MNT
lir-uk-bletchley-1-MNT
lir-uk-bletchley-1-MNT