66.175.244.0/22 - bgp.tools

66.175.244.0/22

Originated by AS19353
AS Name: Trans Union, LLC

Overview
Connectivity
Whois
DNS
Validation

Registered on: 10 Aug 2007 (18 years old)

Registered to: ARIN-TUL-7 (arin)

Prefix status: Active, Allocated under ARIN

Size of prefix: 4 /24's

More Specific Announcements

	Prefix	Description
	66.175.244.0/23	Trans Union, LLC
	66.175.247.0/24	Trans Union, LLC

Upstreams

AS7018 - AT&T Enterprises, LLC
AS701 - Verizon Business

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS7018	AT&T Enterprises, LLC
	AS701	Verizon Business

Peers

	ASN	Description
	AS7018	AT&T Enterprises, LLC
	AS701	Verizon Business

NetHandle:      NET-66-175-240-0-1
OrgID:          TUL-7
Parent:         NET-66-0-0-0-0
NetName:        TU555WADAMS
NetRange:       66.175.240.0 - 66.175.255.255
NetType:        allocation
RegDate:        2007-08-10
Updated:        2021-12-14
Source:         ARIN



OrgID:          TUL-7
OrgName:        Trans Union, LLC
CanAllocate:    
Street:         555 W. Adams
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60661
RegDate:        2007-06-06
Updated:        2026-03-11
OrgAdminHandle: TIQ-ARIN
OrgTechHandle:  CALDE247-ARIN
OrgTechHandle:  NETWO10022-ARIN
OrgTechHandle:  PLATT78-ARIN
OrgTechHandle:  TIQ-ARIN
OrgAbuseHandle: GOC10-ARIN
OrgAbuseHandle: NETWO10022-ARIN
Source:         ARIN





OrgAdminHandle:       TIQ-ARIN
OrgAdminName:         Tariq Iqbal
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CALDE247-ARIN
OrgTechName:          Andrey Calderon
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO10022-ARIN
OrgTechName:           Network Operations
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        PLATT78-ARIN
OrgTechName:          Daniel Platt
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        TIQ-ARIN
OrgTechName:          Tariq Iqbal
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       GOC10-ARIN
OrgAbuseName:          GOC
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETWO10022-ARIN
OrgAbuseName:          Network Operations
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-04T03:25:48Z UTC

Remove auto generated reverse DNS entries

	Address	PTR
	66.175.244.17	isaav.transunion.com.
	66.175.244.18	ui.transunion.com.
	66.175.244.19	assocert.transunion.com.
	66.175.244.20	tuhcm.transunion.com.
	66.175.244.52	scopath.transunion.com.
	66.175.244.68	keysinternal.tuc.com.
	66.175.244.74	smtp5.transunion.com.
	66.175.245.8	smtp1.transunion.com.
	66.175.245.17	isaav.transunion.com.
	66.175.245.53	tuidm.transunion.com.

Data Age between: 2025-11-05T06:28:27Z UTC and 2025-05-17T02:59:51Z UTC

	A	DNS
	66.175.244.18	ui.transunion.com
	66.175.244.20	tuhcm.transunion.com
	66.175.244.22	mremedy-uat.transunion.com
	66.175.244.23	vdesktop.transunion.com
	66.175.244.25	hybridsmtp.transunion.com
	66.175.244.27	archer.transunion.com
	66.175.244.29	idp.transunion.com
	66.175.244.30	idmart.transunion.com
	66.175.244.31	us1-sip.transunion.com, sip.transunion.com
	66.175.244.32	sip.transunion.com, us1-sip.transunion.com
	66.175.244.33	us1-wc.transunion.com
	66.175.244.34	us1-wc.transunion.com
	66.175.244.37	us1fepool02-extweb.transunion.com, join.transunion.com ( 4 total...)
	66.175.244.38	us1owapool01-extweb.transunion.com
	66.175.244.39	goodworks.transunion.com
	66.175.244.40	vcportal.transunion.com
	66.175.244.46	servicenow-uat.transunion.com
	66.175.244.47	servicenow.transunion.com
	66.175.244.56	tusso.transunion.com
	66.175.244.57	etime.transunion.com
	66.175.244.58	fedcorp.transunion.com
	66.175.244.59	workcenter.transunion.com
	66.175.244.60	fedcorpauth.transunion.com
	66.175.244.64	rc.transunion.com
	66.175.244.65	truview.transunion.com
	66.175.244.68	keysinternal.tuc.com
	66.175.244.72	mail.transunion.com
	66.175.244.80	fusion.transunion.com
	66.175.244.81	salesforce.transunion.com
	66.175.244.87	tustore.transunion.com
	66.175.244.88	degreed.transunion.com
	66.175.244.91	veracode.transunion.com
	66.175.244.96	tuls.gslb.transunion.com, tuls.transunion.com
	66.175.244.98	coupa-uat2.transunion.com
	66.175.244.100	thesource.transunion.com
	66.175.244.103	hybridmail.transunion.com, autodiscover.drivershistory.com ( 4 total...)
	66.175.244.104	mrs1.transunion.com
	66.175.244.105	mrs2.transunion.com
	66.175.244.109	kyriba.transunion.com
	66.175.244.110	coupa-uat.transunion.com
	66.175.244.121	jcc.transunion.com
	66.175.244.130	dachi.transunion.com
	66.175.244.230	dachiuat.transunion.com
	66.175.247.13	ChiVpn2.transunion.com, chivpn2.transunion.com
	66.175.247.15	Chivpn3.transunion.com, chivpn3.transunion.com
	66.175.247.22	chivpn.transunion.com, vpn.transunion.com, aral03.tuc.com ( 4 total...)
	66.175.247.77	chivpn-stg.transunion.com

Last Update: 2026-05-30T22:53:46Z UTC

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More Specific Announcements

Upstreams

Upstreams

Peers

RPKI Chain (Current origin: Valid)