BALFOUR BEATTY LLC
Balfour Beatty PLC
GLEIF verified
LEI
213800EIE1K5QTFOD892
Registered name
BALFOUR BEATTY LLC
Jurisdiction
Ultimate parent
BALFOUR BEATTY PLC
CT4UIJ3TUKGYYHMENQ17
Cluster stats
| Netblocks | 8 · 4,131 IPv4 addresses |
| Registered in | United Kingdom (3) · Hong Kong (2) |
| All fragments | 21 blocks across 8 clusters |
| Cluster ID | 208840903 |
| Registry | APNIC |
| Owner jurisdiction | US-DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 213800EIE1K5QTFOD892 |
| Shared handles | clustered on 12 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
8
0 netblocks since 2026-07-05
2026-07-05
peak 8
2026-07-19
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 138.248.0.0/20 | Balfour Beatty PLC | RIPE | LEGACY | ● high |
| 194.129.55.48/28 | BALFOUR-BEATTY | RIPE | ASSIGNED PA | ● low |
| 195.89.240.96/29 | BALFOUR-BEATTY | RIPE | ASSIGNED PA | ● low |
| 210.176.119.200/29 | Balfour-Beatty-Group-Limited | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 210.176.215.136/29 | Balfour-Beatty-Group-Limited | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2a00:2381:7::/56 | BALFOUR-BEATTY | RIPE | ASSIGNED | ● low |
| 2a00:2381:7::/48 | BALFOUR-BEATTY | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:7:100::/56 | BALFOUR-BEATTY | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
62.5%
of checked blocks have valid RPKI ROA coverage
(5 of 8)
Possible discrepancies (4)
These blocks are registered to Balfour Beatty PLC but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a00:2381:7::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:7::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:7:100::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
| 138.248.0.0/20 /20 | authorized for AS8426 — Claranet Limited |
NIC Handles
AS1849-MNT
AS8426-MNT
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
MAINT-HK-PCCW-BIA-CS
ORG-BB232-RIPE
RIPE-NCC-LEGACY-MNT
RobShute
TA114-AP
TA114-AP
VODAFONE-WORLDWIDE-MNTNER