Andrew Williams
BGP inherited
Cluster stats
Netblocks4
All fragments 691 blocks across 355 clusters
Cluster ID193375054
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
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 (4)

⬇ export CSV
CIDR Org name Registry Status Confidence
2a0f:9400:7300::/44 Andrew Williams BGP ANNOUNCED ● high
2a0f:9400:7300::/48 Andrew Williams BGP ANNOUNCED ● high
2a00:2381:143d:100::/56 ANDREW-WILLIAMS RIPE ASSIGNED ● low
2a0f:9400:7300::/44 Andrew Williams RIPE ALLOCATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: D how networks compare →
25.0% of checked blocks have valid RPKI ROA coverage (1 of 4)
Possible discrepancies (1)

These blocks are registered to Andrew Williams 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.

2a00:2381:143d:100::/56 /56 authorized for AS2856 — British Telecommunications PLC

NIC Handles

AS207890 BTNET-MNT DUMY-RIPE DUMY-RIPE FRC2-MNT FRC2-MNT MNT-FIBRIOR ORG-FW20-RIPE