AS7786 - NEUSTAR-AS1 - Trans Union, LLC, US

United States
AS Number
AS7786
AS Name
NEUSTAR-AS1
Org Name
Trans Union, LLC
Country / Region
United States
Registry

arin

RegDate

2007-06-06

Updated

2026-08-20

AS7786 Looking Glass
https://www.ultratools.com/tools/lookingGlassTools
IPv4Prefixes

25

IPv6Prefixes

0

IPv4 NUMs

7,680

IPv6 NUMs(/64)

0

CIDR Description IP Num
156.154.16.0/22
IRR InValid
NeuStar, Inc. 1024
156.154.24.0/24
IRR Valid
NeuStar, Inc. 256
156.154.25.0/24
IRR Valid
NeuStar, Inc. 256
156.154.26.0/24
IRR Valid
NeuStar, Inc. 256
156.154.30.0/24
IRR Parent Valid
NeuStar, Inc. 256
156.154.42.0/24
IRR Valid
NeuStar, Inc. 256
156.154.52.0/24
IRR Valid
NeuStar, Inc. 256
156.154.56.0/24
IRR Valid
NeuStar, Inc. 256
156.154.59.0/24
IRR Valid
Trans Union, LLC 256
156.154.83.0/24
IRR Valid
NeuStar, Inc. 256
156.154.116.0/24
IRR Valid
NeuStar, Inc. 256
156.154.117.0/24
IRR Valid
NeuStar, Inc. 256
156.154.136.0/24
IRR Valid
NeuStar, Inc. 256
156.154.138.0/24
IRR Valid
NeuStar, Inc. 256
156.154.148.0/23
IRR InValid
NeuStar, Inc. 512
156.154.188.0/23
IRR InValid
NeuStar, Inc. 512
156.154.192.0/24
IRR Valid
NeuStar, Inc. 256
156.154.193.0/24
IRR Valid
NeuStar, Inc. 256
156.154.195.0/24
IRR InValid
NeuStar, Inc. 256
156.154.196.0/24
IRR Valid
NeuStar, Inc. 256
156.154.199.0/24
IRR Valid
NeuStar, Inc. 256
156.154.200.0/24
IRR Valid
NeuStar, Inc. 256
156.154.202.0/24
IRR Valid
NeuStar, Inc. 256
156.154.203.0/24
NeuStar, Inc. 256
209.173.53.0/24
IRR Valid
NeuStar, Inc. 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 411,392 77,326,778,368 IPv4 IPv4
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,552,448 442,382,745,600 IPv4 IPv4
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,366,016 82,706,169,856 IPv4 IPv4
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS12273 TRUELINK - Transunion Interactive, Inc., US United States 2,048 0 IPv4 IPv4

Whois Record

ASNumber 7786

ASNumber
7786
ASName
NEUSTAR-AS1
ASHandle
RegDate
1997-01-13
Updated
2026-07-10
Ref
https://rdap.arin.net/registry/autnum/7786

OrgID TUL-7

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
2026-08-20
OrgAdminHandle
TIQ-ARIN
OrgTechHandle
BARRA105-ARIN
CALDE247-ARIN
NETWO10022-ARIN
PLATT78-ARIN
TIEDE6-ARIN
TIQ-ARIN
OrgAbuseHandle
GOC10-ARIN
NETWO10022-ARIN
Source
ARIN

OrgAdminHandleHandle TIQ-ARIN

OrgAdminHandleHandle
TIQ-ARIN
OrgAdminHandleName
Iqbal, Tariq
OrgAdminHandlePhone
+1-312-985-3889
OrgAdminHandleEmail
tiqbal@transunion.com
OrgAdminHandleRef
https://rdap.arin.net/registry/entity/TIQ-ARIN

OrgTechHandleHandle BARRA105-ARIN

OrgTechHandleHandle
BARRA105-ARIN
OrgTechHandleName
Barrantes, Oscar
OrgTechHandlePhone
+1-833-806-1627
OrgTechHandleEmail
oscar.barrantes@transunion.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/BARRA105-ARIN

OrgTechHandleHandle CALDE247-ARIN

OrgTechHandleHandle
CALDE247-ARIN
OrgTechHandleName
Calderon, Andrey
OrgTechHandlePhone
+1-888-888-8888
OrgTechHandleEmail
andrey.calderon@transunion.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/CALDE247-ARIN

OrgTechHandleHandle NETWO10022-ARIN

OrgTechHandleHandle
NETWO10022-ARIN
OrgTechHandleName
Network Operations,
OrgTechHandlePhone
+1-312-985-4362
OrgTechHandleEmail
PDLNETWORKOPS@transunion.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/NETWO10022-ARIN

OrgTechHandleHandle PLATT78-ARIN

OrgTechHandleHandle
PLATT78-ARIN
OrgTechHandleName
Platt, Daniel
OrgTechHandlePhone
+1-833-806-1627
OrgTechHandleEmail
daniel.platt@transunion.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/PLATT78-ARIN

OrgTechHandleHandle TIEDE6-ARIN

OrgTechHandleHandle
TIEDE6-ARIN
OrgTechHandleName
Tiedemann, Eric
OrgTechHandlePhone
+1-833-806-1627
OrgTechHandleEmail
eric.tiedemann@transunion.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/TIEDE6-ARIN

OrgTechHandleHandle TIQ-ARIN

OrgTechHandleHandle
TIQ-ARIN
OrgTechHandleName
Iqbal, Tariq
OrgTechHandlePhone
+1-312-985-3889
OrgTechHandleEmail
tiqbal@transunion.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/TIQ-ARIN

OrgAbuseHandleHandle GOC10-ARIN

OrgAbuseHandleHandle
GOC10-ARIN
OrgAbuseHandleName
GOC,
OrgAbuseHandlePhone
+1-312-985-4362
OrgAbuseHandleEmail
GOC@transunion.com
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/GOC10-ARIN

OrgAbuseHandleHandle NETWO10022-ARIN

OrgAbuseHandleHandle
NETWO10022-ARIN
OrgAbuseHandleName
Network Operations,
OrgAbuseHandlePhone
+1-312-985-4362
OrgAbuseHandleEmail
PDLNETWORKOPS@transunion.com
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/NETWO10022-ARIN
 

ASNumber:       7786
ASName:         NEUSTAR-AS1
ASHandle:       AS7786
RegDate:        1997-01-13
Updated:        2026-07-10
Ref:            https://rdap.arin.net/registry/autnum/7786

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:        2026-08-20
OrgAdminHandle  TIQ-ARIN
OrgTechHandle   BARRA105-ARIN
OrgTechHandle   CALDE247-ARIN
OrgTechHandle   NETWO10022-ARIN
OrgTechHandle   PLATT78-ARIN
OrgTechHandle   TIEDE6-ARIN
OrgTechHandle   TIQ-ARIN
OrgAbuseHandle  GOC10-ARIN
OrgAbuseHandle  NETWO10022-ARIN
Source:         ARIN

OrgAdminHandleHandle:  TIQ-ARIN
OrgAdminHandleName:    Iqbal, Tariq
OrgAdminHandlePhone:   +1-312-985-3889
OrgAdminHandleEmail:   tiqbal@transunion.com
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/TIQ-ARIN

OrgTechHandleHandle:  BARRA105-ARIN
OrgTechHandleName:    Barrantes, Oscar
OrgTechHandlePhone:   +1-833-806-1627
OrgTechHandleEmail:   oscar.barrantes@transunion.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/BARRA105-ARIN

OrgTechHandleHandle:  CALDE247-ARIN
OrgTechHandleName:    Calderon, Andrey
OrgTechHandlePhone:   +1-888-888-8888
OrgTechHandleEmail:   andrey.calderon@transunion.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/CALDE247-ARIN

OrgTechHandleHandle:  NETWO10022-ARIN
OrgTechHandleName:    Network Operations, 
OrgTechHandlePhone:   +1-312-985-4362
OrgTechHandleEmail:   PDLNETWORKOPS@transunion.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/NETWO10022-ARIN

OrgTechHandleHandle:  PLATT78-ARIN
OrgTechHandleName:    Platt, Daniel
OrgTechHandlePhone:   +1-833-806-1627
OrgTechHandleEmail:   daniel.platt@transunion.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/PLATT78-ARIN

OrgTechHandleHandle:  TIEDE6-ARIN
OrgTechHandleName:    Tiedemann, Eric
OrgTechHandlePhone:   +1-833-806-1627
OrgTechHandleEmail:   eric.tiedemann@transunion.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/TIEDE6-ARIN

OrgTechHandleHandle:  TIQ-ARIN
OrgTechHandleName:    Iqbal, Tariq
OrgTechHandlePhone:   +1-312-985-3889
OrgTechHandleEmail:   tiqbal@transunion.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/TIQ-ARIN

OrgAbuseHandleHandle:  GOC10-ARIN
OrgAbuseHandleName:    GOC, 
OrgAbuseHandlePhone:   +1-312-985-4362
OrgAbuseHandleEmail:   GOC@transunion.com
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/GOC10-ARIN

OrgAbuseHandleHandle:  NETWO10022-ARIN
OrgAbuseHandleName:    Network Operations, 
OrgAbuseHandlePhone:   +1-312-985-4362
OrgAbuseHandleEmail:   PDLNETWORKOPS@transunion.com
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/NETWO10022-ARIN