OMNICOM GROUP INC.
One corporate group, resolved across 12 separately-registered clusters
in the same GLEIF corporate family (ultimate parent LEI HKUPACFHSSASQK8HLS17). Each
member's own registration independently matches the family, so clusters that merely inherited a carrier's
LEI are excluded.
Data as of 2026-07-26
12 clusters ·
25 netblocks ·
11,017 IPv4 addresses ·
4 IPv6 prefixes ·
7 countries
IPv6 ranges (4)
Member clusters
- PROXIMITY-COMMUNICATIONS-PLC FR 5 netblocks
- Cardinia Real Estate UK Limited GB 3 netblocks
- Cedar Communications GB 3 netblocks
- MOTHER-TONGUE-LTD GB 3 netblocks
- Omnicom US-NY 3 netblocks
- Critical Mass Inc. CA-AB 2 netblocks
- TARGIS-GMBH JP 1 netblocks
- Ketchum Communications, Inc. US-DE 1 netblocks
- MARKETSTAR CORPORATION US-DE 1 netblocks
- RESOLUTION-MEDIA-GMBH US-DE 1 netblocks
- TRO-GROUP-LTD GB 1 netblocks
- TBWA-Hong-Kong-Ltd HK 1 netblocks
Possibly related
Clusters that share this name but whose own registration doesn't confirm them as part of this corporate family — a different or unverified legal entity (a joint venture, a former subsidiary, or a namesake). Shown for context; not counted in the totals above.
- Limited Liability Company "TTK-Svyaz" 1,351 netblocks
- GB-OMNICOM-NET 17 netblocks
- AU-OMNICOM-NET 4 netblocks
- ISTITUTOOMNICOMPRENSIVOVALLESCRIVIA IT 3 netblocks
- UK-OMNICOM-DURHAM GB 3 netblocks
- NL-OMNICOM-NET 3 netblocks
- OMNICOM-MEDIA-GROUP-A-S-NET DK 3 netblocks
- NET-FR-Omnicom-Group-Inc-TBWA 2 netblocks
- SG-OMNICOM-NET US-DE 2 netblocks
- OMNICOMM US-DE 2 netblocks