Bristol
Cluster stats
Netblocks16
All fragments 249 blocks across 27 clusters
Cluster ID192159538
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 7 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
16 0 netblocks since 2026-07-05
2026-07-05 peak 16 2026-07-06

IP Ranges (16)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.101.131.0/24 Bristol RIPE ASSIGNED PA ● low
5.101.192.0/25 Bristol RIPE ASSIGNED PA ● low
5.101.194.0/25 Bristol RIPE ASSIGNED PA ● low
5.101.197.0/25 Bristol RIPE ASSIGNED PA ● low
5.101.199.128/25 Bristol RIPE ASSIGNED PA ● low
5.188.100.0/25 Bristol RIPE ASSIGNED PA ● low
31.121.7.224/27 BRISTOL RIPE ASSIGNED PA ● low
31.121.16.160/28 BRISTOL RIPE ASSIGNED PA ● low
185.17.152.0/25 Bristol RIPE ASSIGNED PA ● low
185.17.152.128/25 Bristol RIPE ASSIGNED PA ● low
185.17.153.0/25 Bristol RIPE ASSIGNED PA ● low
185.254.252.40/30 BRISTOL RIPE ASSIGNED PA ● low
185.254.252.108/30 BRISTOL RIPE ASSIGNED PA ● low
194.152.225.192/29 BRISTOL RIPE ASSIGNED PA ● low
213.194.39.0/28 BRISTOL RIPE ASSIGNED PA ● low
2a00:2381:2b7:300::/56 BRISTOL RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: D how networks compare →
31.2% of checked blocks have valid RPKI ROA coverage (5 of 16)
Possible discrepancies (1)

These blocks are registered to Bristol 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.

2a00:2381:2b7:300::/56 /56 authorized for AS2856 — British Telecommunications PLC

NIC Handles

BTNET-MNT CIP-MNT DUMY-RIPE DUMY-RIPE HPT-MNT UMNYESETI-MNT hr-fenice-1-mnt