ASN Lookup Tool

Trans Union, LLC transunion.com US US 9 Routes

AS Data

AS19353

AS19353 – Trans Union, LLC

AS Number 19353
AS Name TUASN7
Organization Trans Union, LLC(tul-7)
Country US
Website transunion.com
Number of IPv4 Routes 9
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2007-08-10

ASN Intelligence API for production workflows

Use ASN data for AS19353 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route # IPs
65.201.27.0/24 256
66.175.240.0/23 512
66.175.242.0/23 512
66.175.244.0/23 512
66.175.247.0/24 256
65.204.34.0/24 256
198.47.90.0/24 256
66.175.240.0/22 1024
66.175.244.0/22 1024

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:       19353
ASName:         TUASN7
ASHandle:       AS19353
RegDate:        2007-08-10
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/19353


OrgName:        Trans Union, LLC
OrgId:          TUL-7
Address:        555 W. Adams
City:           Chicago
StateProv:      IL
PostalCode:     60661
Country:        US
RegDate:        2007-06-06
Updated:        2026-03-11
Ref:            https://rdap.arin.net/registry/entity/TUL-7


OrgTechHandle: CALDE247-ARIN
OrgTechName:   Calderon, Andrey 
OrgTechPhone:  +1-888-888-8888 
OrgTechEmail:  andrey.calderon@transunion.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CALDE247-ARIN

OrgTechHandle: TIQ-ARIN
OrgTechName:   Iqbal, Tariq 
OrgTechPhone:  +1-773-858-8166 
OrgTechEmail:  tiqbal@transunion.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TIQ-ARIN

OrgAbuseHandle: GOC10-ARIN
OrgAbuseName:   GOC
OrgAbusePhone:  +1-312-985-4362 
OrgAbuseEmail:  GOC@transunion.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GOC10-ARIN

OrgTechHandle: NETWO10022-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-312-985-4362 
OrgTechEmail:  PDLNETWORKOPS@transunion.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO10022-ARIN

OrgAbuseHandle: NETWO10022-ARIN
OrgAbuseName:   Network Operations
OrgAbusePhone:  +1-312-985-4362 
OrgAbuseEmail:  PDLNETWORKOPS@transunion.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO10022-ARIN

OrgTechHandle: PLATT78-ARIN
OrgTechName:   Platt, Daniel 
OrgTechPhone:  +1-833-806-1627 
OrgTechEmail:  daniel.platt@transunion.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PLATT78-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
AS13335 Cloudflare, Inc. US
AS7018 AT&T Enterprises, LLC US
AS701 Verizon Business/UUnet US
AS701 Verizon Business US

Upstreams

AS Number Description Country
AS13335 Cloudflare, Inc. US
AS7018 AT&T Enterprises, LLC US
AS701 Verizon Business US

Ready to get started?Get Started with IP Intelligence API Today

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS19353 is an Autonomous System Number used to identify a network for BGP internet routing.
AS19353 is listed under Trans Union, 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.