NATIONAL GRID ELECTRICITY DISTRIBUTION PLC
WESTERN-POWER-DISTRIBUTION-LTD
Data as of 2026-09-20
GLEIF verified
Complete entity footprint
2 linked clusters ·
11 netblocks ·
133,416 IPv4 addresses ·
5 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
549300HFCD0G1TPU4N09
Registered name
NATIONAL GRID ELECTRICITY DISTRIBUTION PLC
Jurisdiction
This organisation
| Netblocks | 1 |
| IPv6 | 1 prefix (largest 2a00:2381:ddf::/48) |
| Also registered under this name | 24 netblocks across 2 separate records |
| Record ID | 243338898 |
| Registry | RIPE |
| Owner jurisdiction | GB |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300HFCD0G1TPU4N09 |
| 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 (1)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2a00:2381:ddf::/48 | WESTERN-POWER-DISTRIBUTION-LTD | RIPE | AGGREGATED-BY-LIR | ● high |
IPv6 ranges (1)
| CIDR |
|---|
| 2a00:2381:ddf::/48 |
Corporate group (2 confirmed entities)
+2 additional unconfirmed candidates not shown — full list (JSON)- National Grid 10 blocks
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(1 of 1)
RPKI-inferred operator
British Telecommunications Limited
Nearly all of this network's RPKI-covered space is cryptographically authorized for this
single operator — the registered netname is likely one of its internal infrastructure labels.
No discrepancies found among checked blocks.
NIC Handles
BTNET-MNT
DUMY-RIPE
DUMY-RIPE