ROYSTON HOLDINGS LIMITED
ROYSTON-LTD
Data as of 2026-08-09
GLEIF verified
Complete entity footprint
2 linked clusters ·
7 netblocks ·
96 IPv4 addresses ·
2 IPv6 prefixes
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
2138001H5INMUTXYTE93
Registered name
ROYSTON HOLDINGS LIMITED
Jurisdiction
Cluster stats
| Netblocks | 3 |
| IPv6 | 2 prefixes (largest 2a00:2381:1bf3::/48) |
| All fragments | 4 blocks across 2 clusters |
| Cluster ID | 218270241 |
| Registry | RIPE |
| Owner jurisdiction | BM |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 2138001H5INMUTXYTE93 |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.144.250.0/29 | ROYSTON-LTD | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:1bf3::/48 | ROYSTON-LTD | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:1bf3::/56 | ROYSTON-LTD | RIPE | ASSIGNED | ● low |
IPv6 ranges (2)
Corporate group (2 confirmed entities)
+1 additional unconfirmed candidate not shown — full list (JSON)- Kenmare 4 blocks
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(3 of 3)
Possible discrepancies (2)
These blocks are registered to ROYSTON-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.
| 2a00:2381:1bf3::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:1bf3::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
NIC Handles
BTNET-MNT
DUMY-RIPE
DUMY-RIPE