Exhibit 21.1 Subsidiaries of Astea International Inc. ---------------------------------------- December 31, 1999 Company Name Jurisdiction of Organization - ------------ ---------------------------- Astea FSC Barbados Astea GmbH Germany Astea International (AUST) PTY LTD New South Wales Astea Israel Ltd. Israel Astea (UK) Limited England Astea Sarl France Astea Service and Distribution Systems B.V. Netherlands Astea Technology Inc. Delaware Group Technologies, Inc. Delaware Network Data, Inc. Delaware Virtual Service Corporation Delaware 55