AS4583 West Publishing Corporation

THOMSON-REUTERS - West Publishing Corporation · registered in the United States

IPv4 addresses5,3766 prefixes · <0.001% of announced IPv4

Rank in United States#3,986largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#13,099of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS4583 in ASN lookup Look up an IP in this network (155.46.136.1) All networks in United States

IPv4 prefixes

All 6 prefixes, in address order.

155.46.136.0/22
155.46.144.0/22
155.46.152.0/23
155.46.156.0/23
155.46.165.0/24
155.46.168.0/21

Similar-sized networks in United States

ASNNameIPv4 addresses

AS2011#3983 WELLSFARGO-2011 - Wells Fargo Bank, N.A.5,376

AS40448#3984 HYPERLEAF1 - Hyperleaf, LLC5,376

AS399296#3985 RD-BM - Rackdog, LLC5,376

AS4977#3987 VENCORESS - Vencore Services and Solutions, Inc.5,376

AS5672#3988 PBI-NET-BLK - AT&T Enterprises, LLC5,376

AS5726#3989 INTERWORLD - InterWorld Communications, Inc.5,376

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