LANCASTER

BGP inherited
Cluster stats
Netblocks8
All fragments 56 blocks across 9 clusters
Cluster ID205074839
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
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

4 weekly snapshots · JSON
8 0 netblocks since 2026-07-05
2026-07-05 peak 8 2026-07-13

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.147.248.240/29 LANCASTER-NET RIPE ASSIGNED PA ● low
89.21.14.4/30 LANCASTER RIPE ASSIGNED PA ● low
89.21.14.8/30 LANCASTER RIPE ASSIGNED PA ● low
89.21.14.12/30 LANCASTER RIPE ASSIGNED PA ● low
2001:1a0b:8010:1::/64 LANCASTER RIPE ASSIGNED ● low
2001:1a0b:8010:2::/64 LANCASTER RIPE ASSIGNED ● low
2001:1a0b:8010:3::/64 LANCASTER RIPE ASSIGNED ● low
2a00:2381:f8f::/48 LANCASTER RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (8 of 8)
Possible discrepancies (1)

These blocks are registered to LANCASTER 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:f8f::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

BTNET-MNT DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT EQUINIX-MNT UNITYMEDIA-B2B-MNT UNITYMEDIA-MNT