THE INTERPUBLIC GROUP OF COMPANIES, INC.
Data as of 2026-07-26
GLEIF verified
Complete entity footprint
3 linked clusters ·
24 netblocks ·
134,560 IPv4 addresses ·
1 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
5493008IUOJ5VWTRC333
Registered name
THE INTERPUBLIC GROUP OF COMPANIES, INC.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 18 · 131,584 IPv4 addresses |
| IPv6 | 1 prefix (largest 2605:cc40::/32) |
| Cluster ID | 213586612 |
| Registry | BGP |
| Owner jurisdiction | US-DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 5493008IUOJ5VWTRC333 |
| 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 · report an issue | |
Footprint over time
6 weekly snapshots · JSON
18
0 netblocks since 2026-07-05
2026-07-05
peak 18
2026-07-26
IP Ranges (18)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 170.200.48.0/24 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 170.200.49.0/24 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 170.200.55.0/24 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 170.200.76.0/24 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 170.200.80.0/24 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 170.200.84.0/24 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 170.200.92.0/24 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 170.200.128.0/21 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 170.200.144.0/24 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 170.200.145.0/24 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 170.200.164.0/22 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 170.200.168.0/21 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 170.200.172.0/23 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 199.4.18.0/24 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 205.153.104.0/24 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 2605:cc40::/32 | THE INTERPUBLIC GROUP OF COMPANIES, INC. | BGP | ANNOUNCED | ● high |
| 144.210.0.0/16 | The Interpublic Group of Companies, Inc. | ARIN | DIRECT ALLOCATION | ● low |
| 170.200.0.0/16 | The Interpublic Group of Companies, Inc. | ARIN | DIRECT ALLOCATION | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2605:cc40::/32 |
Corporate group (3 confirmed entities)
- McCann-Erickson, Inc. 5 blocks
- TRAFFIC4U_BV 1 blocks
Network trust
what's this?
RPKI hygiene: F
how networks compare →
5.6%
of checked blocks have valid RPKI ROA coverage
(1 of 18)
No discrepancies found among checked blocks.
NIC Handles
AS17044
AS32886
AS46713
IGC-35-Z
IPGNE-ARIN
IPGNE-ARIN
IPGNE-ARIN
IPGNE-ARIN