AS398928 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#17,582largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,502of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS398928 in ASN lookup Look up an IP in this network (155.46.210.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

155.46.210.0/24

Other ASNs named Thomson Reuters U.S. LLC

5 other networks use the same organisation name; together with AS398928 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

AS23109THOMSON-REUTERS - Thomson Reuters U.S. LLC US256

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

Similar-sized networks in United States

ASNNameIPv4 addresses

AS398923#17579 MAINE-PERS - MainePERS256

AS398924#17580 ZK-IDENTITY - APPBASE.AI INC.256

AS398926#17581 SCCC-01 - St. Charles Community College256

AS398932#17583 COA-ASN - The Children's Hospital of Alabama256

AS398934#17584 THOMSON-REUTERS - Thomson Reuters U.S. LLC256

AS398937#17585 FIBERCREEK - Fibercreek Networks, LLC256

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