PROFESSIONAL CONTRACTORS GROUP LTD
PROFESSIONAL-CONTRACTORS-GROUP-LTD
Registry
Cluster stats
| Netblocks | 3 |
| All fragments | 198 blocks across 82 clusters |
| Cluster ID | 193852395 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.187.2.145/32 | PROFESSIONAL-CONTRACTORS-GROUP-LTD | RIPE | ASSIGNED PA | ● low |
| 81.187.137.128/27 | PROFESSIONAL-CONTRACTORS-GROUP-LTD | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:4f0::/48 | PROFESSIONAL-CONTRACTORS-GROUP-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
(3 of 3)
Possible discrepancies (1)
These blocks are registered to PROFESSIONAL CONTRACTORS GROUP 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.
| 2a00:2381:4f0::/48 /48 | authorized for AS2856 — British Telecommunications PLC |
NIC Handles
AA
BTNET-MNT
DUMY-RIPE
DUMY-RIPE