. . . Exhibit 21.1 Entity Name Jurisdiction ASCENTIAL SOFTWARE ARGENTINA S.A. Buenos Aires, Argentina ASCENTIAL AUSTRALIA PTY Ltd Australia ASCENTIAL SHELF COMPANY Pty Ltd New South Wales, Australia ASCENTIAL SOFTWARE PTY Ltd New South Wales, Australia ASCENTIAL SOFTWARE GESELLSCHAFT m.b.H. Vienna, Austria ASCENTIAL SOFTWARE N.V. Brussels, Belgium ASCENTIAL SOFTWARE DE BOLIVIA S.A. La Paz, Bolivia ASCENTIAL SOFTWARE DO BRASIL Ltda. Sao Paulo, Brazil ASCENTIAL SOFTWARE (CANADA) Inc. Halifax, NOVA SCOTIA, Canada ASCENTIAL SOFTWARE DE CHILE S.A. Santiago, Chile INFORMIX INTERNATIONAL, LLC Shanghai, China INFORMIX SOFTWARE (CHINA) CO. Ltd. Beijing, China ASCENTIAL SOFTWARE DE COLOMBIA S.A. Bogota, Colombia ASCENTIAL SOFTWARE S.R.O. V LIKVIDACI Prague, Czech Republic ASCENTIAL SOFTWARE ApS Denmark ASCENTIAL SOFTWARE S.A.R.L. Nanterre, France ASCENTIAL SOFTWARE GmBH Munich, Germany GARMHAUSEN UND PARTNER GESELLSCHAFT FUR Bonn, Germany SOFTWAREENTWICKLUNG UND VERTRIEB mbH ASCENTIAL HONG KONG LIMITED Hong Kong ASCENTIAL SOFTWARE (HONG KONG) LIMITED Hong Kong ASCENTIAL SOFTWARE (INDIA) PRIVATE LIMITED Bangalore, India INFORMIX INTERNATIONAL, LLC - INDIA BRANCH OFFICE Mumbai, India ASCENTIAL HOLDINGS COMPANY Dublin, Ireland ASCENTIAL SOFTWARE IRELAND LIMITED Dublin, Ireland ASCENTIAL SOFTWARE LIMITED Dublin, Ireland ASCENTIAL SOFTWARE S.r.l. Milan, Italy ASCENTIAL SOFTWARE K.K. Tokyo, Japan ASCENTIAL KOREA, Ltd Seoul, Korea ASCENTIAL B.V Amsterdam ASCENTIAL SOFTWARE B.V. Nieuwegein, The Netherlands ASCENTIAL SOFTWARE LIMITED New Zealand ASCENTIAL SOFTWARE ASIA-PACIFIC Pte Ltd Singapore ASCENTIAL SOFTWARE SINGAPORE Pte Ltd Singapore ASCENTIAL SOFTWARE IBERICA, S.A. Madrid, Spain ASCENTIAL SOFTWARE INTEGRATION, S.L. Spain ASCENTIAL SOFTWARE AB Sweden ASCENTIAL SOFTWARE AG Zurich, Switzerland ASCENTIAL SOFTWARE TAIWAN, Inc. Taipei, Taiwan ASCENTIAL SOFTWARE LIMITED England ASCENTIAL UK LIMITED England ASCENTIAL SOFTWARE HOLDINGS, Inc. Delaware, USA ASCENTIAL SOFTWARE LATIN, Inc. Delaware, USA INFORMIX INTERNATIONAL, LLC Delaware, USA MATCHWARE TECHNOLOGIES, Inc. Delaware, USA MERCATOR SOFTWARE, LLC Wilmington, Delaware USA VALITY TECHNOLOGY INCORPORATED Massachusetts, USA