Exhibit 21.1 Subsidiaries of the Company Name Jurisdiction of Incorporation - ---- ----------------------------- Juniper Networks K.K. Japan Juniper Networks B.V. The Netherlands Juniper Networks Cayman Ltd. Cayman Juniper Networks FSC Ltd. Barbados Juniper Networks U.K. Ltd. United Kingdom Juniper Networks GmbH Germany Juniper Networks France Sarl France Juniper Networks Australia Ltd. Australia Juniper Networks Hong Kong Ltd. Hong Kong Juniper Networks South Asia Ltd. Hong Kong Juniper Networks China Ltd. Hong Kong Juniper Networks Canada Inc. Canada Juniper Networks Trading GmbH Austria Juniper Networks Belgium N.V. Belgium Juniper Networks Taiwan LLC Taiwan Juniper Networks Brazil Ltd. Brazil Juniper Networks Denmark Denmark Juniper Networks Finland O.Y. Finland Juniper Networks India Ltd. India Juniper Networks Italy SRL Italy Juniper Networks Korea Inc. Korea Juniper Networks Malaysia SDN BHD Malaysia Juniper Networks Mexico SA DE CV Mexico Juniper Networks (Singapore) PTE Ltd. Singapore Juniper Networks Spain SRL Spain Juniper Networks Sweden AB Sweden Juniper Networks Switzerland GmbH Switzerland Juniper Networks Ireland Ltd. Ireland Juniper Networks Limited Cyprus Juniper Acquisition Corporation Delaware Juniper Networks International, Inc. Delaware Juniper Networks Credit Corporation Nevada Menlo/Juniper Networks LLC California Juniper Networks (US), Inc. California Pacific Broadband Communications Eurl France