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Exhibit 21

LIST OF SUBSIDIARIES
Subsidiary
Jurisdiction of Organization
Administrative Services, LLC
DE
Argus Information and Advisory Services, Inc.
DE
Commerce Signals, Inc.
DE
CreditRetriever LLC
DE
Data Solutions Services, LLC
DE
Drivers History Information Sales LLC
DE
FactorTrust, Inc.
DE
iovation Inc.
DE
JovianData, Inc.
DE
L2C, Inc.
DE
LSSi Data Corp.
DE
MarketShare Acquisition Corporation
DE
MarketShare Holdings, Inc.
DE
MarketShare Partners Asia, LLC
DE
MarketShare Partners, LLC
DE
Monevo Inc
DE
Monevo II, LLC
DE
Neustar Data Services, Inc.
DE
Neustar Information Services, Inc.
DE
Neustar International Services, Inc.
DE
Neustar IP Intelligence, Inc.
DE
Neustar NGM Services, LLC
DE
Neustar, Inc.
DE
Signal Digital, Inc.
DE
Sontiq, Inc.
DE
Trans Union Content Solutions LLC
DE
Trans Union International, Inc.
DE
Trans Union LLC
DE
TransUnion Data Solutions LLC
DE
TransUnion Digital LLC
DE
TransUnion Enterprises LLC
DE
TransUnion Exchange LLC
DE
TransUnion Gaming Services Holdings LLC
DE
TransUnion Gaming Services LLC
DE
TransUnion Global Holdings LLC
DE
TransUnion Interactive, Inc.
DE
TransUnion Intermediate Holdings, Inc.
DE
TransUnion International Holdings LLC
DE
TransUnion Rental Screening Solutions, Inc.
DE
TransUnion Risk and Alternative Data Solutions, Inc.
DE
Tru Optik Data Corp.
DE
TruSignal, Inc.
DE


TRUSTID, Inc.
DE
Verifacts LLC
DE
Visionary Systems, Inc.
GA
Datalink Services, Inc.
NV
Scout Risk Group, Inc.
VT
Argus Information and Advisory Services Australia Pty Ltd
Australia
CyberScout Pty Ltd.
Australia
Monevo Pty Limited
Australia
Credit Reference Bureau Africa (Pty) Ltd.
Botswana
TransUnion (Proprietary) Ltd.
Botswana
Neustar Brasil Tecnologia E Marketing Ltda.
Brazil
TransUnion Brasil Sistemas em Informatica Ltda.
Brazil
CyberScout Inc.
Canada
CyberScout Adjusting Inc.
Canada
Trans Union of Canada, Inc.
Canada
Trans Union Chile, S.A.
Chile
TransUnion Soluciones de Informacion Chile SA
Chile
TransUnion Information Technology (Beijing) Co., Ltd.
China
CIFIN S.A.S.
Colombia
TransUnion Costa Rica TUCR, S.A.
Costa Rica
TransUnion Global Capability Center Costa Rica Limitada
Costa Rica
TransUnion CS d.o.o.
Croatia
TransUnion Holding Cyprus Ltd.
Cyprus
Centro de Informacion y Estudios Estrategicos Empresariales S.A.
Dominican Rep.
Centro de Operaciones y Servicios de Informacion Estrategica, S.A.
Dominican Rep.
Trans Union, S.A.
Dominican Rep.
TransUnion El Salvador, S.A. de C.V.
El Salvador
TransUnion Eswatini (Pty) Ltd.
Eswatini
Neustar GmbH
Germany
Soluciones de Informatica de Centroamerica (SICE), S.A.
Guatemala
Trans Union Guatemala, S.A.
Guatemala
TransUnión Honduras-Buró de Crédito Sociedad Anónima
Honduras
Credit Information Services Limited
Hong Kong
Neustar Hong Kong Ltd.
Hong Kong
TransUnion Asia Ltd.
Hong Kong
TransUnion Credit Information Services Limited
Hong Kong
TransUnion Limited
Hong Kong
TransUnion Global Capability Center Private Limited
India
TransUnion India Data Analytics Solutions Private Limited
India
TransUnion CIBIL Limited
India
TransUnion Global Technology Center LLP
India
CyberScout Ventures Ltd.
Ireland
Trustev Limited
Ireland
Credit Information Systems Company Limited
Kenya
Credit Reference Bureau (Holdings) Limited
Kenya


Credit Reference Bureau Africa Ltd.
Kenya
TransUnion Kenya Limited
Kenya
TransUnion Ltd.
Malawi
CyberScout Sdn Bhd.
Malaysia
TransUnion (Mauritius) Limited
Mauritius
STS Vail Beheeren Administracion S. DE. R.L. DE C.V.
Mexico
TransUnion Reverse Exchange S de R.L. de C.V.
Mexico
TransUnion Soluciones de Informacion, S de R.L de C.V.
Mexico
TransUnion Credit Bureau Namibia (Pty) Ltd.
Namibia
Neustar IP Intelligence, B.V.
Netherlands
Trans Union Nicaragua, S.A.
Nicaragua
Trans Union Central America, S.A.
Panama
TransUnion Information Solutions Inc.
Philippines
Trans Union de Puerto Rico, Inc.
Puerto Rico
TransUnion Rwanda Limited
Rwanda
TransUnion Africa (Pty) Ltd.
South Africa
TransUnion Africa Holdings (Pty) Ltd.
South Africa
TransUnion Analytic and Decision Services (Pty) Ltd.
South Africa
TransUnion Credit Bureau (Pty) Ltd.
South Africa
TransUnion Global Capability Centre Africa (Pty) Ltd.
South Africa
Confirma Sistemas de Informacion, S.L.
Spain
TransUnion Information Group Spain S.L.U.
Spain
Collection Africa Ltd.
Tanzania
Credit Reference Bureau Africa Ltd.
Tanzania
Credit Reporting Services Limited
Trinidad & Tobago
Argus Information and Advisory Services UK Ltd
United Kingdom
Callcredit Marketing Limited
United Kingdom
Crown Acquisition BidCo, Ltd.
United Kingdom
CyberScout Limited
United Kingdom
DecisionMetrics Limited
United Kingdom
iovation, Ltd.
United Kingdom
MarketShare Partners EMEA, Ltd.
United Kingdom
Monevo Limited
United Kingdom
Monevo Holdco 2 Limited
United Kingdom
Monevo IPCo 1 Limited
United Kingdom
Monevo Technology Limited
United Kingdom
Neustar Technologies Limited
United Kingdom
TransUnion Global Funding Limited
United Kingdom
TransUnion Global Holdings LP
United Kingdom
TransUnion Information Group, Limited
United Kingdom
TransUnion International UK Limited
United Kingdom
TransUnion UK Holdings Ltd.
United Kingdom
Vail Holdings UK Ltd.
United Kingdom
Credit Reference Bureau Africa Ltd.
Zambia