ANTHONY-BUTTERWORTH

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks4
IPv6 1 prefix (largest 2a00:2381:3519::/48)
Cluster ID213315801
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 4 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 (4)

⬇ export CSV
CIDR Org name Registry Status Confidence
81.187.41.144/28 ANTHONY-BUTTERWORTH RIPE ASSIGNED PA ● low
81.187.205.154/32 ANTHONY-BUTTERWORTH RIPE ASSIGNED PA ● low
81.187.253.23/32 ANTHONY-BUTTERWORTH RIPE ASSIGNED PA ● low
2a00:2381:3519::/48 ANTHONY-BUTTERWORTH RIPE AGGREGATED-BY-LIR ● low

IPv6 ranges (1)

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (4 of 4)
Possible discrepancies (1)

These blocks are registered to ANTHONY-BUTTERWORTH 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.

2a00:2381:3519::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

AA BTNET-MNT DUMY-RIPE DUMY-RIPE