ASN Lookup Tool

Thomson Reuters U.S. LLC thomsonreuters.com US US 1 Routes

AS Data

AS23109

AS23109 – Thomson Reuters U.S. LLC

AS Number 23109
AS Name THOMSON-REUTERS
Organization Thomson Reuters U.S. LLC(tru-11)
Country US
Website thomsonreuters.com
Number of IPv4 Routes 1
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2002-01-24

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Use ASN data for AS23109 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
155.46.131.0/24 256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       23109
ASName:         THOMSON-REUTERS
ASHandle:       AS23109
RegDate:        2002-01-24
Updated:        2021-10-04    
Ref:            https://rdap.arin.net/registry/autnum/23109


OrgName:        Thomson Reuters U.S. LLC
OrgId:          TRU-11
Address:        One Station Place
Address:        Metro Center
City:           Stamford
StateProv:      CT
PostalCode:     06902
Country:        US
RegDate:        2012-09-12
Updated:        2014-12-03
Ref:            https://rdap.arin.net/registry/entity/TRU-11


OrgTechHandle: TRIPT-ARIN
OrgTechName:   TR-IP-TECH
OrgTechPhone:  +1-651-687-7000 
OrgTechEmail:  TR.IP-TECH@thomsonreuters.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TRIPT-ARIN

OrgAbuseHandle: TRIPA1-ARIN
OrgAbuseName:   TR-IP-Abuse
OrgAbusePhone:  +1-651-687-7000 
OrgAbuseEmail:  TR.IP-ABUSE@thomsonreuters.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TRIPA1-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS46887 Crown Castle Fiber LLC US
AS1239 Cogent Communications, LLC US
AS174 Cogent Communications, LLC US

Upstreams

AS Number Description Country
AS46887 Crown Castle Fiber LLC US
AS174 Cogent Communications, LLC US

Contacts

Email Contacts

TR.IP-TECH@thomsonreuters.com

Abuse Contacts

TR.IP-ABUSE@thomsonreuters.com

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Frequently Asked Questions

ASN AS23109 is an Autonomous System Number used to identify a network for BGP internet routing.
AS23109 is listed under Thomson Reuters U.S. LLC.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.