AS397151 Trans Union, LLC

DC2-AS - Trans Union, LLC · registered in the United States

IPv4 addresses1,5365 prefixes · <0.001% of announced IPv4

Rank in United States#7,186largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#27,431of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397151 in ASN lookup Look up an IP in this network (66.175.248.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

66.175.248.0/23
66.175.250.0/24
66.175.251.0/24
198.47.91.0/24
207.201.214.0/24

Other ASNs named Trans Union, LLC

1 other network uses the same organisation name; together with AS397151 they announce 4,352 IPv4 addresses.

ASNNameIPv4 addresses

AS19353TUASN7 - Trans Union, LLC US2,816

Similar-sized networks in United States

ASNNameIPv4 addresses

AS396526#7183 AS396526 - UNVIO, LLC1,536

AS396843#7184 DHP-ASN-PRI - Dean Health Plan, Inc.1,536

AS397062#7185 SMG - Sun-Maid Growers of California1,536

AS397279#7187 NIMBUS-SOLUTIONS - Nimbus Solutions1,536

AS397336#7188 VIRTUALSPROUT-01 - Virtual Sprout1,536

AS397348#7189 UE-1 - University of Evansville1,536

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