AS399443 THE NIELSEN COMPANY (US), LLC

NIELSEN-MEDIA - THE NIELSEN COMPANY (US), LLC · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,694largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,629of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS399443 in ASN lookup Look up an IP in this network (162.33.73.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

162.33.73.0/24

Other ASNs named THE NIELSEN COMPANY (US), LLC

1 other network uses the same organisation name; together with AS399443 they announce 2,816 IPv4 addresses.

ASNNameIPv4 addresses

AS19606NLSNMEDIA - THE NIELSEN COMPANY (US), LLC US2,560

Similar-sized networks in United States

ASNNameIPv4 addresses

AS399437#17691 LUZERNE-IT-ASN - Luzerne County256

AS399441#17692 NTXFW1 - TMConcepts LLC256

AS399442#17693 OLELO-COMMUNITY-MEDIA-01 - OLELO COMMUNITY MEDIA256

AS399447#17695 ECS-NET-01 - The Purple Guys, L.L.C.256

AS399451#17696 MSDLT-ASN-01 - METROPOLITAN SCHOOL DISTRICT OF LAWRENCE TOWNSHIP256

AS399463#17697 UCOMTEL-02 - UComtel Inc256

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