ASN AS15301 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS15301?

AS15301 is listed under Trans Union, LLC.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS15301 Trans Union, LLC | IPGeolocation.io

ASN Lookup Tool

Trans Union, LLC transunion.com

US 2 Routes

AS Data

AS15301

AS15301 – Trans Union, LLC

AS Number	15301
AS Name	IOVATION-AS15301
Organization	Trans Union, LLC (tul-7)
Country	US
Website	transunion.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2026-07-07

ASN Intelligence API for production workflows

Use ASN data for AS15301 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
74.121.29.0/24	AS15301	Trans Union, LLC	Trans Union, LLC	256
74.121.28.0/24	AS15301	Trans Union, LLC	Trans Union, LLC	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:       15301
ASName:         IOVATION-AS15301
ASHandle:       AS15301
RegDate:        2026-07-07
Updated:        2026-07-07
Ref:            https://rdap.arin.net/registry/autnum/15301


OrgName:        Trans Union, LLC
OrgId:          TUL-7
Address:        555 W. Adams
City:           Chicago
StateProv:      IL
PostalCode:     60661
Country:        US
RegDate:        2007-06-06
Updated:        2026-06-30
Ref:            https://rdap.arin.net/registry/entity/TUL-7


OrgTechHandle: TIQ-ARIN
OrgTechName:   Iqbal, Tariq 
OrgTechPhone:  +1-312-985-3889 
OrgTechEmail:  tiqbal@transunion.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TIQ-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

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

OrgTechHandle: TIEDE6-ARIN
OrgTechName:   Tiedemann, Eric 
OrgTechPhone:  +1-833-806-1627 
OrgTechEmail:  eric.tiedemann@transunion.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TIEDE6-ARIN

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


#
# 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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "15301",
    "as_handle" : "AS15301",
    "as_name" : "IOVATION-AS15301",
    "tech_contacts" : [ "TIQ-ARIN", "PLATT78-ARIN", "NETWO10022-ARIN", "TIEDE6-ARIN", "CALDE247-ARIN" ],
    "abuse_contacts" : [ "NETWO10022-ARIN", "GOC10-ARIN" ],
    "date_created" : "2026-07-07",
    "date_updated" : "2026-07-07",
    "source" : "https://rdap.arin.net/registry/autnum/15301"
  } ],
  "organization" : {
    "handle" : "TUL-7",
    "name" : "Trans Union, LLC",
    "address" : [ "555 W. Adams", "Chicago", "IL", "60661", "US" ],
    "city" : "Chicago",
    "state" : "IL",
    "zip_code" : "60661",
    "country" : [ "US" ],
    "date_created" : "2007-06-06",
    "date_updated" : "2026-06-30",
    "source" : "https://rdap.arin.net/registry/entity/TUL-7",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "TIQ-ARIN",
    "name" : "Iqbal, Tariq",
    "email" : [ "tiqbal@transunion.com" ],
    "phone" : [ "+1-312-985-3889" ],
    "source" : "https://rdap.arin.net/registry/entity/TIQ-ARIN"
  }, {
    "handle" : "PLATT78-ARIN",
    "name" : "Platt, Daniel",
    "email" : [ "daniel.platt@transunion.com" ],
    "phone" : [ "+1-833-806-1627" ],
    "source" : "https://rdap.arin.net/registry/entity/PLATT78-ARIN"
  }, {
    "handle" : "NETWO10022-ARIN",
    "name" : "Network Operations",
    "email" : [ "PDLNETWORKOPS@transunion.com" ],
    "phone" : [ "+1-312-985-4362" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO10022-ARIN"
  }, {
    "handle" : "TIEDE6-ARIN",
    "name" : "Tiedemann, Eric",
    "email" : [ "eric.tiedemann@transunion.com" ],
    "phone" : [ "+1-833-806-1627" ],
    "source" : "https://rdap.arin.net/registry/entity/TIEDE6-ARIN"
  }, {
    "handle" : "CALDE247-ARIN",
    "name" : "Calderon, Andrey",
    "email" : [ "andrey.calderon@transunion.com" ],
    "phone" : [ "+1-888-888-8888" ],
    "source" : "https://rdap.arin.net/registry/entity/CALDE247-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NETWO10022-ARIN",
    "name" : "Network Operations",
    "email" : [ "PDLNETWORKOPS@transunion.com" ],
    "phone" : [ "+1-312-985-4362" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO10022-ARIN"
  }, {
    "handle" : "GOC10-ARIN",
    "name" : "GOC",
    "email" : [ "GOC@transunion.com" ],
    "phone" : [ "+1-312-985-4362" ],
    "source" : "https://rdap.arin.net/registry/entity/GOC10-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS13335	Cloudflare, Inc.	US

Upstreams

AS Number	Description	Country
AS13335	Cloudflare, Inc.	US