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EXHIBIT 21.1

THE DUN & BRADSTREET CORPORATION SUBSIDIARIES

COMPANY NAME JURISDICTION OF CREATION
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AB Svensk Handelstidning Justitia Sweden
Alpha Mi A.E. Greece
Bilans Service SNC (France) France
Binney's Gazette Ltd. Ireland
Business On-Line Co., Ltd. ("BOL") Thailand
Business Ratios Ltd. England
Call Credit Ltd. England
Callbiz (Singapore) Pte. Ltd. Singapore
Campbells Consumer Enquiries Pty. Ltd South Africa
Cedac Srl Italy
Corinthian Holdings, Inc. Delaware
Corinthian Leasing Corporation Delaware
Credit Bureau (Singapore) Pte. Ltd. Singapore
Credit Information Bureau (India) Limited India
Credit Information Services, Limited South Africa
Credit Information Services, Limited (CIS) Hong Kong
Credit Skills & Management (Pty) Ltd. South Africa
D & B Group Ltd. Delaware
D&B Acquisition Corp. Delaware
D&B APLA Technology Pty Ltd. Australia
D&B Espana S.A. Spain
D&B Europe Ltd. England
D&B Group Holdings (UK) Ltd. England
D&B Holdings (UK) England
D&B Information Services (M) Sdn. Bhd. Malaysia
D&B International Consultant (Shanghai) Co. Ltd. Peoples Republic of China
D&B Unterstuzungskasse GmbH Germany
D&B Investors, LP Delaware
D&B Property Holdings, Inc Delaware
Datahouse Spa Italy
Dataquest Europe Ltd. England
DB Soliditet AB Sweden
DBIC Holdings Pte. Ltd. (Singapore) Singapore
DBS Medium Systems Ireland (Ireland) Ireland
DBS Moyens Systems S.A. (France) France
Delfin Securities (Pty) Ltd. (South Africa) / ITC BA South Africa
DistressDebt Corporation Delaware
Dun & Bradstreet Belgium NV/SA Belgium
Dun & Bradstreet (HK) Limited Hong Kong
Dun & Bradstreet (Israel) Ltd. Israel
Dun & Bradstreet (NMR) Limited England
Dun & Bradstreet (SCS) B.V. Netherlands
Dun & Bradstreet (Singapore) Pte. Ltd. Singapore
Dun & Bradstreet (Switzerland) AG Switzerland/Delaware
Dun & Bradstreet (U.K.) Pension Plan Trustee Company Ltd. England
Dun & Bradstreet B.V. Netherlands

THE DUN & BRADSTREET CORPORATION SUBSIDIARIES

COMPANY NAME JURISDICTION OF CREATION
- ------------ ------------------------

Dun & Bradstreet C.A. Venezuela
Dun & Bradstreet C.I.S. Russia
Dun & Bradstreet Canada B.V. Netherlands
Dun & Bradstreet Canada Holding, Ltd Canada
Dun & Bradstreet Computer Leasing, Inc. Delaware
Dun & Bradstreet Credit Control, Ltd. Delaware
Dun & Bradstreet Credit Reporting (Israel) Israel
Dun & Bradstreet Danmark Holding A/S Denmark
Dun & Bradstreet de Mexico, S.A. de C.V. Mexico
Dun & Bradstreet Denmark A/S (Denmark) Denmark
Dun & Bradstreet Deutschland GmbH Germany/Delaware
Dun & Bradstreet Do Brasil, Ltda. Brazil/Delaware
Dun & Bradstreet Ekonomiforlaget AB Sweden
Dun & Bradstreet Europe, Ltd. Delaware
Dun & Bradstreet Finance, Ltd. England
Dun & Bradstreet Finland OY Finland
Dun & Bradstreet France S.C.S. France
Dun & Bradstreet Holding Norway A/S Norway
Dun & Bradstreet Holdings B.V. Netherlands
Dun & Bradstreet Holdings-France, Inc. Delaware
Dun & Bradstreet Hungaria Informacio Szolgaltato Korlatolt Hungary
Felelosegu Tarasag
Dun & Bradstreet, Inc. Delaware
Dun & Bradstreet Information Services Ges.mbH Austria
Dun & Bradstreet Information Services India Pvt. Ltd. India
Dun & Bradstreet International, Ltd. Delaware
Dun & Bradstreet Japan Ltd. Japan
Dun & Bradstreet Limited Ireland
Dun & Bradstreet Limited England
Dun & Bradstreet Ltda. Chile
Dun & Bradstreet Management S.A.S. France
Dun & Bradstreet Marketing Services N.V.-S.A. Belgium
Dun & Bradstreet Nordic AB Sweden
Dun & Bradstreet Poland sp. zo.o. Poland
Dun & Bradstreet Portugal, Ltda. Portugal
Dun & Bradstreet Properties Ltd. England
Dun & Bradstreet Property Investments Ltd. England
Dun & Bradstreet S.A. Argentina
Dun & Bradstreet S.A. Peru
Dun & Bradstreet S.A. Uruguay
Dun & Bradstreet S.A. Sociedad Sociedad de Informacion Mexico
Crediticia
Dun & Bradstreet S.p.A. Italy
Dun & Bradstreet Servicios De Consultadoria E Apoio a Gestao De Portugal
Contas Correntes, Lda.
Dun & Bradstreet Software Services Australia Holdings Pty. Ltd. Australia

THE DUN & BRADSTREET CORPORATION SUBSIDIARIES

COMPANY NAME JURISDICTION OF CREATION
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Dun & Bradstreet Software Services Iberica S.A. Spain
Dun & Bradstreet Software Services International, Inc. Georgia
Dun & Bradstreet spol s. r. o. Czech Republic
Dun & Bradstreet Sverige AB Sweden
Dun & Bradstreet Teleupdate Center GmbH Germany
Dun & Bradstreet Ventures, Inc. Delaware
DunBrad, Inc Delaware
Duns Investing Corporation Delaware
Duns Investing VII Corporation Delaware
Duns Investing VIII Corporation Delaware
Duns Investing IX Corporation Delaware
Dunsgate Limited England
DunsNet, LLC Delaware
Eastvaal Credit Bureau (Pty) Ltd. South Africa
Elevation Melbourne Pty. Ltd. Australia
Enniscale Holdings Ltd. England
Fillupar Leasing Partnership Delaware
Greyling's Credit Control (Pty) Ltd. (South Africa) South Africa
Harris Infosource International, Inc. Ohio
Ifico-Buergel AG Switzerland
Infocredit D&B (Singapore) Pte. Ltd. Singapore
Infocredit D&B Malasia Sdn. Bhd. Malaysia
Information Trust Corporation (Pty.) Ltd. South Africa
IRM Kabushiki Kaisha (Japan) Japan
Italservice Spa Italy
Italservice Srl Italy
ITC Botswana (Pty) Ltd. (South Africa) South Africa
ITC Namibia (Pty) Ltd. South Africa
ITC Swaziland (Pty) Ltd. (South Africa) South Africa
ITC-Vision (Pty.) Ltd. South Africa
Kosmos Business Information Limited England
Live Capital, Inc. California
McCormack & Dodge (Argentina) Argentina
McCormack & Dodge Mexico (Mexico) Mexico
Miami International Limited England
Microband of Virginia, Inc. Virginia
Milano Data Entry Srl Italy
MostMetals.com Limited England
MSA Do Brasil Sistemas E Metados Ltda. Brazil
N.V. Dun & Bradstreet-Eurinform S.A. Delaware
Open Ratings, Inc. Massachusetts
Palmetto Assurance Ltd. Bermuda
Pintos Global Services Limited England
Prosistemi Srl Italy
RIBES Spa Italy

THE DUN & BRADSTREET CORPORATION SUBSIDIARIES

COMPANY NAME JURISDICTION OF CREATION
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Sicev-Societa Italiana Consulenze e Valutazioni S.p.A. Italy
Stubbs (Ireland) Ltd. England
Stubbs' Directories Ltd. England
Stubbs' Ltd. England
The D&B Companies of Canada Ltd. Canada
The Dun & Bradstreet Corporation Foundation (non-profit) Delaware
threeW.net plc England
Trade Reach Limited England
Veri-Cheque (Pty.) Ltd. South Africa
Who Owns Whom Ltd. England