AS26470 Group M Worldwide, LLC

WPP-IT-PISCATAWAY - Group M Worldwide, LLC · registered in the United States

IPv4 addresses2,5608 prefixes · <0.001% of announced IPv4

Rank in United States#5,598largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#19,904of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS26470 in ASN lookup Look up an IP in this network (199.229.0.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

199.229.0.0/23
204.10.132.0/24
204.10.135.0/24
209.90.32.0/23
209.90.35.0/24
209.90.36.0/24
209.90.38.0/24
209.90.40.0/24

IPv6 prefixes

All 1 prefix.

2620:11b:3000::/48

Other ASNs named Group M Worldwide, LLC

2 other networks use the same organisation name; together with AS26470 they announce 3,072 IPv4 addresses.

ASNNameIPv4 addresses

AS398018WPP-IT-CHICAGO - Group M Worldwide, LLC US256

AS398856WPP-DETROIT - Group M Worldwide, LLC US256

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS399932#5599 TEKVLABS-0804 - Tekvizion PVS, Inc.2,560

AS21#5600 RAND - The RAND Corporation2,560

AS1603#5601 HSU-AS - Henderson State University2,560

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources