NORBAIN HOLDINGS LIMITED

NORBAIN-HOLDINGS
GLEIF verified
Complete entity footprint
2 linked clusters · 7 netblocks · 60 IPv4 addresses
This organisation's clusters combined by evidence — shared GLEIF corporate family — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
213800A24WJEIMOCFO03
Registered name
NORBAIN HOLDINGS LIMITED
Jurisdiction
GB
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks6
All fragments 10 blocks across 3 clusters
Cluster ID208904478
RegistryRIPE
Owner jurisdictionGB
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 213800A24WJEIMOCFO03
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

4 weekly snapshots · JSON
6 0 netblocks since 2026-07-05
2026-07-05 peak 6 2026-07-19

IP Ranges (6)

⬇ export CSV
CIDR Org name Registry Status Confidence
86.12.190.144/28 NORBAIN-HOLDINGS-LIMITED RIPE ASSIGNED PA ● low
217.33.172.232/29 NORBAIN-HOLDINGS RIPE ASSIGNED PA ● low
217.37.101.32/29 Norbain RIPE ASSIGNED PA ● low
2a00:2381:796::/48 NORBAIN RIPE AGGREGATED-BY-LIR ● low
2a00:2381:c0c3::/48 NORBAIN-HOLDINGS RIPE AGGREGATED-BY-LIR ● low
2a00:2381:c0c3:100::/56 NORBAIN-HOLDINGS RIPE ASSIGNED ● low

Corporate group (2 confirmed entities)

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (6 of 6)
Possible discrepancies (3)

These blocks are registered to NORBAIN-HOLDINGS 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.

2a00:2381:796::/48 /48 authorized for AS2856 — British Telecommunications Limited
2a00:2381:c0c3::/48 /48 authorized for AS2856 — British Telecommunications Limited
2a00:2381:c0c3:100::/56 /56 authorized for AS2856 — British Telecommunications Limited

NIC Handles

AS5089-MNT BTNET-MNT DUMY-RIPE DUMY-RIPE