CARILLION PLC
Carillion
LEI
6SNZTEXLR1M5211YYB89
Registered name
CARILLION PLC
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 31 |
| All fragments | 43 blocks across 5 clusters |
| Cluster ID | 191951021 |
| Registry | RIPE |
| Owner jurisdiction | GB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Legal identity | LEI 6SNZTEXLR1M5211YYB89 |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
31
0 netblocks since 2026-07-05
2026-07-05
peak 31
2026-07-06
IP Ranges (31)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 62.7.234.56/29 | CARILLION-PLC | RIPE | ASSIGNED PA | ● low |
| 81.137.29.152/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 81.137.180.200/29 | CARILLION | RIPE | ASSIGNED PA | ● low |
| 81.138.144.88/29 | CARILLION | RIPE | ASSIGNED PA | ● low |
| 81.142.13.72/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 81.142.51.136/29 | carillion | RIPE | ASSIGNED PA | ● low |
| 81.142.53.160/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 81.142.107.72/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 81.142.175.40/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 81.142.207.248/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 81.143.52.184/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 81.143.139.136/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 81.143.144.8/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 81.143.174.72/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 213.120.129.48/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 213.120.129.104/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 213.120.171.216/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 213.120.173.128/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 217.34.187.32/28 | Carillion | RIPE | ASSIGNED PA | ● low |
| 217.34.187.64/28 | Carillion | RIPE | ASSIGNED PA | ● low |
| 217.34.187.144/28 | Carillion | RIPE | ASSIGNED PA | ● low |
| 217.34.187.208/28 | Carillion | RIPE | ASSIGNED PA | ● low |
| 217.34.188.0/28 | Carillion | RIPE | ASSIGNED PA | ● low |
| 217.36.64.248/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 217.37.69.32/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 217.37.193.80/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 217.37.243.240/28 | Carillion | RIPE | ASSIGNED PA | ● low |
| 217.40.66.96/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 217.45.186.80/29 | Carillion | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:1179::/48 | CARILLION-PLC | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:1179:100::/56 | CARILLION-PLC | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(31 of 31)
Possible discrepancies (2)
These blocks are registered to Carillion 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.
| 2a00:2381:1179::/48 /48 | authorized for AS2856 — British Telecommunications PLC |
| 2a00:2381:1179:100::/56 /56 | authorized for AS2856 — British Telecommunications PLC |
NIC Handles
BTNET-MNT
DUMY-RIPE
DUMY-RIPE