QUADRUM HOLDINGS LIMITED
QUADRUM-LTD
LEI
213800O775I3SKJMCH09
Registered name
QUADRUM HOLDINGS LIMITED
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks2
All fragments 5 blocks across 3 clusters
Cluster ID194156813
RegistryRIPE
Owner jurisdictionGI
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Legal identityLEI 213800O775I3SKJMCH09
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (2)

⬇ export CSV
CIDR Org name Registry Status Confidence
213.160.134.72/30 Quadrum RIPE ASSIGNED PA ● low
2a00:2381:e99b::/48 QUADRUM-LTD 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 (2 of 2)
Possible discrepancies (1)

These blocks are registered to QUADRUM-LTD 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:e99b::/48 /48 authorized for AS2856 — British Telecommunications PLC

NIC Handles

BTNET-MNT DUMY-RIPE DUMY-RIPE LDC-UA-MNT