DEFRA
Cluster stats
Netblocks13
All fragments 20 blocks across 8 clusters
Cluster ID192173689
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
13 0 netblocks since 2026-07-05
2026-07-05 peak 13 2026-07-06

IP Ranges (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
109.159.204.168/29 DEFRA RIPE ASSIGNED PA ● low
148.253.220.0/22 defra RIPE LEGACY ● low
195.11.106.24/29 DEFRA RIPE ASSIGNED PA ● low
195.89.80.144/28 DEFRA RIPE ASSIGNED PA ● low
195.89.82.144/29 DEFRA RIPE ASSIGNED PA ● low
195.89.87.48/29 DEFRA RIPE ASSIGNED PA ● low
195.89.233.112/29 DEFRA RIPE ASSIGNED PA ● low
195.89.233.192/29 DEFRA RIPE ASSIGNED PA ● low
195.89.234.96/28 DEFRA RIPE ASSIGNED PA ● low
217.40.112.216/29 DEFRA RIPE ASSIGNED PA ● low
2a00:2381:340b::/56 DEFRA RIPE ASSIGNED ● low
2a00:2381:340b::/48 DEFRA RIPE AGGREGATED-BY-LIR ● low
2a00:2381:f628::/48 DEFRA RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
92.3% of checked blocks have valid RPKI ROA coverage (12 of 13)
Possible discrepancies (3)

These blocks are registered to DEFRA 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:f628::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:340b::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:340b::/56 /56 authorized for AS2856 — British Telecommunications PLC

NIC Handles

BTNET-MNT DUMY-RIPE DUMY-RIPE VODAFONE-WORLDWIDE-MNTNER uk-defra-1-mnt