Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

Entity Name						Jurisdiction
Calix Network Technology Development (Nanjing) Co. Ltd.						China
Calix Networks UK, Ltd.						England, UK
CIDC Private Limited						India
Calix Korea Yuhan Chegim Hoesa						South Korea
Calix International, Inc.						United States
Calix Brasil Servicos Ltda.						Brazil