WPP GROUP HOLDINGS LIMITED

wpp
Data as of 2026-08-09
GLEIF verified
Complete entity footprint
7 linked clusters · 73 netblocks · 5,938 IPv4 addresses · 3 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.
View the full entity page →
LEI
549300GX54BJJFMS8O03
Registered name
WPP GROUP HOLDINGS LIMITED
Jurisdiction
GB
Ultimate parent
WPP PLC
549300LSGBXPYHXGDT93
Cluster stats
Netblocks4
IPv6 1 prefix (largest 2a00:2381:3f94::/48)
All fragments 53 blocks across 17 clusters
Cluster ID218382274
RegistryRIPE
Owner jurisdictionGB
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300GX54BJJFMS8O03
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (4)

⬇ export CSV
CIDR Org name Registry Status Confidence
81.15.238.128/25 WPP-NET RIPE ASSIGNED PA ● low
195.77.246.56/29 wpp RIPE ASSIGNED PA ● low
213.0.96.24/29 wpp RIPE ASSIGNED PA ● low
2a00:2381:3f94::/48 WPP RIPE AGGREGATED-BY-LIR ● low

IPv6 ranges (1)

CIDR
2a00:2381:3f94::/48

Corporate group (7 confirmed entities)

+1 additional unconfirmed candidate not shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (4 of 4)
Possible discrepancies (1)

These blocks are registered to wpp 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.

2a00:2381:3f94::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

BTNET-MNT DUMY-RIPE DUMY-RIPE MAINT-AS3352 MNT-EXATEL