Kantar GmbH
Kantar SAS
GLEIF verified
Complete entity footprint
7 linked clusters ·
73 netblocks ·
6,116 IPv4 addresses
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
529900LJVXYR8QTURO55
Registered name
Kantar GmbH
Jurisdiction
Ultimate parent
WPP PLC
549300LSGBXPYHXGDT93
Cluster stats
| Netblocks | 2 · 1,790 IPv4 addresses |
| Cluster ID | 214670305 |
| Registry | RIPE |
| Owner jurisdiction | DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900LJVXYR8QTURO55 |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (2)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.178.140.0/24 | Kantar SAS | RIPE | ASSIGNED PI | ● high |
| 194.33.52.0 – 194.33.57.255 | KANTAR DORMANT 3 LIMITED | RIPE | ALLOCATED PA | ● low |
Corporate group (7 confirmed entities)
+1 additional unconfirmed candidate not shown — full list (JSON)- Kantar GmbH 49 blocks
- MINDSHARE-SPA 10 blocks
- wpp 4 blocks
- WPP AUNZ LTD 3 blocks
- WPP 2005 Limited 3 blocks
- INTRAMED-LTD 2 blocks
Network trust
what's this?
RPKI hygiene: C
how networks compare →
50.0%
of checked blocks have valid RPKI ROA coverage
(1 of 2)
Possible discrepancies (1)
These blocks are registered to Kantar SAS 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.
| 193.178.140.0/24 /24 | authorized for AS15404 — COLT Technology Services Group Limited |
NIC Handles
COLT-FR-MNT
DUMY-RIPE
DUMY-RIPE
ORG-KA337-RIPE
ORG-TUL21-RIPE
RIPE-NCC-END-MNT
RIPE-NCC-HM-MNT
lir-uk-tnsuk-1-MNT