Every name.
A world behind it.

#
# 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.
#


#
# Query terms are ambiguous.  The query is assumed to be:
#     "n 156.154.57.198"
#
# Use "?" to get help.
#

NetRange:       156.154.56.0 - 156.154.57.255
CIDR:           156.154.56.0/23
NetName:        TUL-7
NetHandle:      NET-156-154-56-0-1
Parent:         NET156 (NET-156-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Trans Union, LLC (TUL-7)
RegDate:        2003-12-18
Updated:        2026-07-10
Ref:            https://rdap.arin.net/registry/ip/156.154.56.0


OrgName:        Trans Union, LLC
OrgId:          TUL-7
Address:        555 W. Adams
City:           Chicago
StateProv:      IL
PostalCode:     60661
Country:        US
RegDate:        2007-06-06
Updated:        2026-08-20
Ref:            https://rdap.arin.net/registry/entity/TUL-7


OrgTechHandle: BARRA105-ARIN
OrgTechName:   Barrantes, Oscar 
OrgTechPhone:  +1-833-806-1627 
OrgTechEmail:  oscar.barrantes@transunion.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BARRA105-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

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: 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: 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:  +1-312-985-3889 
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

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