QUADRUM HOLDINGS LIMITED
QUADRUM-LTD
Data as of 2026-09-06
GLEIF verified
LEI
213800O775I3SKJMCH09
Registered name
QUADRUM HOLDINGS LIMITED
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 2 |
| IPv6 | 1 prefix (largest 2a00:2381:e99b::/48) |
| Also registered under this name | 5 netblocks across 3 separate records |
| Record ID | 236452160 |
| Registry | RIPE |
| Owner jurisdiction | GI |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 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 · report an issue | |
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 |
IPv6 ranges (1)
| CIDR |
|---|
| 2a00:2381:e99b::/48 |
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 Limited |
NIC Handles
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
LDC-UA-MNT