EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT - ------------------------------------------ ---------------------------------------- ---------------------- NAME PARENT JURISDICTION OF INCORPORATION - ------------------------------------------ ---------------------------------------- ---------------------- Informix International, LLC Ascential Software Corporation Delaware - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software Argentina, S.A. Informix International, LLC Argentina - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software GmbH Informix International, LLC Austria - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software Pty. Ltd. Informix International, LLC Australia - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software NV Ascential Software B.V. Belgium - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software do Brasil Ltda. Ascential Software B.V. Brazil - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software (Canada), Inc. Ascential Software B.V. Canada - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software de Chile, S.A. Informix International, LLC Chile - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software de Colombia S.A. Informix International, LLC Colombia - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software sro Informix International, LLC Czech Republic - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software A/S Ascential Software B.V. Denmark - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software Ltd. Ascential Software B.V. England - ------------------------------------------ ---------------------------------------- ---------------------- Ascential IHQ Ltd. Informix Software Ireland Ltd. England - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software de Bolivia, S.A. Informix International, LLC Bolivia - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software SARL Ascential Software B.V. France - ------------------------------------------ ---------------------------------------- ---------------------- Ascential GmbH Garmhausen & Partner GmbH Germany - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software GmbH Ascential GmbH Germany - ------------------------------------------ ---------------------------------------- ---------------------- Garmhausen & Partner, Gesellschaft fuer Softwareentwicklung und vertrieb mbH Ascential Software B.V. Germany - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software (Hong Kong) Ltd. Informix International, LLC Hong Kong - ------------------------------------------ ---------------------------------------- ---------------------- Informix Holdings Company Informix Software Ireland Limited Ireland/Barbados - ---------------------------------------------------------------------------------- ----------------------- Informix Software Ireland Limited Informix International, LLC Ireland/Barbados - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software SpA Ascential Software B.V. Italy - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software K.K. Informix Holdings Company Japan - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Korea Ltd. Informix Holdings Company Korea - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software Sdn Bhd (236483-A) Informix International, LLC Malaysia - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software de Mexico S.A. de C.V. Ascential Software B.V. Mexico - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software B.V. Informix International, LLC Netherlands - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software Limited Informix International, LLC New Zealand - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software AS Ascential Software B.V. Norway - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software de Peru S.A. Informix International, LLC Peru - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software Sp.z.o.o. Informix International, LLC Poland - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software Asia Pacific Pte. Ltd. Informix International, LLC Singapore - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software, spol. s.r.o. Informix International, LLC Slovakia - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software South Africa (Proprietary) Limited Informix International, LLC South Africa - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software Iberica, S.A. Informix International, LLC Spain - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software AB Ascential Software B.V. Sweden - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software AG Informix International, LLC Switzerland - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software (Taiwan) Inc. Ascential Software B.V. Taiwan - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software (Thailand) Limited Informix International, LLC Thailand - ------------------------------------------ ---------------------------------------- ---------------------- Informix Software, V.I., Inc. Informix International, LLC British Virgin Islands - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software de Venezuela, S.A. Informix International, LLC Venezuela - ------------------------------------------ ---------------------------------------- ---------------------- Ascential Software (India) Pvt. Ltd. Informix International, LLC India - ------------------------------------------ ---------------------------------------- ---------------------- Informix Software (China) Co., Ltd. Informix International, LLC China (PRC) - ------------------------------------------ ---------------------------------------- ---------------------- Informix Software Portugal LDA. Informix International, LLC Portugal - ------------------------------------------ ---------------------------------------- ----------------------