Cabinet Office
Cluster stats
Netblocks24
All fragments 26 blocks across 2 clusters
Cluster ID193763016
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (24)

⬇ export CSV
CIDR Org name Registry Status Confidence
62.172.139.248/29 CABINET-OFFICE RIPE ASSIGNED PA ● low
81.131.8.160/27 CABINET-OFFICE RIPE ASSIGNED PA ● low
81.145.213.144/29 CABINET-OFFICE RIPE ASSIGNED PA ● low
109.159.207.56/29 CABINET-OFFICE RIPE ASSIGNED PA ● low
193.240.83.128/29 CABINET-OFFICE RIPE ASSIGNED PA ● low
193.240.89.8/29 Cabinet-Office RIPE ASSIGNED PA ● low
193.240.89.16/29 Cabinet-Office RIPE ASSIGNED PA ● low
193.240.128.64/26 CABINET-OFFICE RIPE ASSIGNED PA ● low
193.240.212.64/27 CABINET-OFFICE RIPE ASSIGNED PA ● low
193.240.226.144/28 CABINET-OFFICE RIPE ASSIGNED PA ● low
194.72.132.72/29 CABINET-OFFICE RIPE ASSIGNED PA ● low
194.73.114.64/27 CABINET-OFFICE RIPE ASSIGNED PA ● low
195.50.103.208/29 CABINET-OFFICE RIPE ASSIGNED PA ● low
195.99.192.80/29 CABINET-OFFICE RIPE ASSIGNED PA ● low
195.171.21.0/29 CABINET-OFFICE RIPE ASSIGNED PA ● low
2a00:2381:1643::/48 CABINET-OFFICE RIPE AGGREGATED-BY-LIR ● low
2a00:2381:1643::/56 CABINET-OFFICE RIPE ASSIGNED ● low
2a00:2381:2e65::/56 CABINET-OFFICE RIPE ASSIGNED ● low
2a00:2381:2e65::/48 CABINET-OFFICE RIPE AGGREGATED-BY-LIR ● low
2a00:2381:2e65:100::/56 CABINET-OFFICE RIPE ASSIGNED ● low
2a00:2381:2e65:200::/56 CABINET-OFFICE RIPE ASSIGNED ● low
2a00:2381:fe1c::/48 CABINET-OFFICE RIPE AGGREGATED-BY-LIR ● low
2a00:2381:fe1c:300::/56 CABINET-OFFICE RIPE ASSIGNED ● low
2a0d:9b80::/29 Cabinet Office RIPE ALLOCATED-BY-RIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
66.7% of checked blocks have valid RPKI ROA coverage (16 of 24)
Possible discrepancies (8)

These blocks are registered to Cabinet Office 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:fe1c::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:1643::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:2e65::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:fe1c:300::/56 /56 authorized for AS2856 — British Telecommunications PLC
2a00:2381:1643::/56 /56 authorized for AS2856 — British Telecommunications PLC
2a00:2381:2e65::/56 /56 authorized for AS2856 — British Telecommunications PLC
2a00:2381:2e65:100::/56 /56 authorized for AS2856 — British Telecommunications PLC
2a00:2381:2e65:200::/56 /56 authorized for AS2856 — British Telecommunications PLC

NIC Handles

BTNET-MNT DUMY-RIPE DUMY-RIPE LEVEL3-MNT ORG-CO68-RIPE QUZAUK RIPE-NCC-HM-MNT uk-caboffice-1-mnt