AS23109 Thomson Reuters U.S. LLC

THOMSON-REUTERS - Thomson Reuters U.S. LLC · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#14,610largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#64,436of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS23109 in ASN lookup Look up an IP in this network (155.46.131.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

155.46.131.0/24

Other ASNs named Thomson Reuters U.S. LLC

5 other networks use the same organisation name; together with AS23109 they announce 4,352 IPv4 addresses.

ASNNameIPv4 addresses

AS17168THOMSON-REUTERS - Thomson Reuters U.S. LLC US3,072

AS13619THOMSON-REUTERS - Thomson Reuters U.S. LLC US256

AS21931THOMSON-REUTERS - Thomson Reuters U.S. LLC US256

AS398928THOMSON-REUTERS - Thomson Reuters U.S. LLC US256

AS398934THOMSON-REUTERS - Thomson Reuters U.S. LLC US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS23096#14607 CNSL-32-23096 - Controlled Networks Solution LLC256

AS23103#14608 WD-AS1 - Western Digitech, Inc.256

AS23104#14609 AMERICAN-TIRE-DISTRIBUTORS-INC - AMERICAN TIRE DISTRIBUTORS, INC.256

AS23111#14611 GSC-ATLANTAVPC - Gannett Supply Corp. - Atlanta, GA (VPC)256

AS23120#14612 LEGACY-OKC-ASN - Legacy256

AS23124#14613 VEEAM-US2 - VEEAM SOFTWARE CORPORATION256

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