Exhibit 21.1

Sun Microsystems, Inc. Subsidiaries



|                                               |  |                                           
|---------------------------------------------- |  | ------------------------------------------
|                                               |  | Jurisdiction of Incorporation or
Formation
|3055855 Nova Scotia Company                    |  | Canada                                    
|514713 N.B. Inc.                               |  | Canada                                    
|Beduin Nova Scotia Company                     |  | Canada                                    
|Belle Gate Investment B.V.                     |  | Netherlands                               
|Clustra Systems Inc.                           |  | Delaware                                  
|Clustra Systems Limited                        |  | United Kingdom                            
|Cobalt Networks B.V.                           |  | Netherlands                               
|Cobalt Networks GmbH                           |  | Germany                                   
|Cobalt Networks Inc.                           |  | Delaware                                  
|Cobalt Networks (UK) Limited                   |  | United Kingdom                            
|Forte Software Canada, Ltd.                    |  | Canada                                    
|Forte Software (UK) Limited                    |  | United Kingdom                            
|InfraSearch, Inc.                              |  | Delaware                                  
|i-Planet, Inc.                                 |  | California                                
|ISOPIA Company                                 |  | Canada                                    
|ISOPIA Corp.                                   |  | New York                                  
|ISOPIA Limited                                 |  | United Kingdom                            
|JCP Computer Services Limited                  |  | United Kingdom                            
|Lighthouse Design Ltd.                         |  | Maryland                                  
|Lighthouse Design R&D Corporation              |  | California                                
|netIX System Consulting GmbH                   |  | Germany                                   
|Niwot Acquisition Corp.                        |  | Delaware                                  
|Nuclio Corporation                             |  | Illinois                                  
|Pixo, Inc.                                     |  | Delaware                                  
|Pixo UK Limited                                |  | United Kingdom                            
|SeeBeyond Technology Corporation               |  | Delaware                                  
|SevenSpace, Inc.                               |  | Delaware                                  
|SevenSpace Subsidiary I, Inc.                  |  | Delaware                                  
|SevenSpace Subsidiary II, Inc.                 |  | Delaware                                  
|Solaris Assurance, Inc.                        |  | Bermuda                                   
|Solaris Indemnity, Ltd.                        |  | Bermuda                                   
|Storage Technology (Bermuda) Ltd.              |  | Bermuda                                   
|Storage Technology Corporation                 |  | Delaware                                  
|Storage Technology European Operations, S.A.S. |  | France                                    
|Storage Technology GmbH                        |  | Germany                                   
|Storage Technology Holding GmbH                |  | Germany                                   
|Storage Technology Sweden AB                   |  | Sweden                                    
|StorageTek (Bermuda) Finance Limited           |  | Bermuda                                   
|StorageTek (China) Services Company Limited    |  | China                                     
|StorageTek (India) Private Ltd.                |  | India                                     
|StorageTek International Corporation           |  | Delaware                                  
|StorageTek International Services Corporation  |  | Delaware                                  
|StorageTek SBG Europe S.A.S.                   |  | France                                    



---

|                                                             |  |                                           
|------------------------------------------------------------ |  | ------------------------------------------
|                                                             |  | Jurisdiction of Incorporation or
Formation
|StorageTek South Asia Pte. Ltd.                              |  | Singapore                                 
|Sun Microsystems AO                                          |  | Russia                                    
|Sun Microsystems AS                                          |  | Norway                                    
|Sun Microsystems Australia Pty. Ltd.                         |  | Australia                                 
|Sun Microsystems (Barbados), Ltd.                            |  | Barbados                                  
|Sun Microsystems Belgium N.V./S.A.                           |  | Belgium                                   
|Sun Microsystems (Bilgisayar Sistemleri) L.S.                |  | Turkey                                    
|Sun Microsystems Capital Investments Plc                     |  | Gibraltar                                 
|Sun Microsystems (China) Co., Ltd.                           |  | Peoples Republic of China                
|Sun Microsystems China Ltd.                                  |  | Hong Kong                                 
|Sun Microsystems Consulting Limited                          |  | Peoples Republic of China                
|Sun Microsystems Czech s.r.o.                                |  | Czech Republic                            
|Sun Microsystems Denmark A/S                                 |  | Denmark                                   
|Sun Microsystems de Argentina S.A.                           |  | Argentina                                 
|Sun Microsystems de Chile, S.A.                              |  | Chile                                     
|Sun Microsystems de Colombia, S.A.                           |  | Colombia                                  
|Sun Microsystems de Mexico, S.A. de C.V.                     |  | Mexico                                    
|Sun Microsystems de Venezuela, S.A.                          |  | Venezuela                                 
|Sun Microsystems Distributions International, Inc.           |  | California                                
|Sun Microsystems do Brasil Industria e Comericio Ltda.       |  | Brazil                                    
|Sun Microsystems (Egypt) LLC                                 |  | Egypt                                     
|Sun Microsystems Europe Properties B.V.                      |  | Netherlands                               
|Sun Microsystems Exchange, Inc.                              |  | Delaware                                  
|Sun Microsystems Federal, Inc.                               |  | California                                
|Sun Microsystems Finance K.K.                                |  | Japan                                     
|Sun Microsystems France S.A.                                 |  | France                                    
|Sun Microsystems Ges.m.b.H                                   |  | Austria                                   
|Sun Microsystems Global Financial Services, LLC              |  | Delaware                                  
|Sun Microsystems (Hellas) S.A.                               |  | Greece                                    
|Sun Microsystems Holdings Limited                            |  | United Kingdom                            
|Sun Microsystems Hungary Computing Limited Liability Company |  | Hungary                                   
|Sun Microsystems Iberica, S.A.                               |  | Spain                                     
|Sun Microsystems India Private Limited                       |  | India                                     
|Sun Microsystems Intercontinental Operations                 |  | California                                
|Sun Microsystems International B.V.                          |  | Netherlands                               
|Sun Microsystems International Holding B.V.                  |  | Netherlands                               
|Sun Microsystems International, Inc.                         |  | California                                
|Sun Microsystems Ireland Limited                             |  | Ireland                                   
|Sun Microsystems Israel Ltd.                                 |  | Israel                                    
|Sun Microsystems Italia S.p.A.                               |  | Italy                                     
|Sun Microsystems K.K.                                        |  | Japan                                     
|Sun Microsystems Korea, Ltd.                                 |  | South Korea                               
|Sun Microsystems Limited                                     |  | United Kingdom                            
|Sun Microsystems LLC                                         |  | California                                
|Sun Microsystems Luxembourg SARL                             |  | Luxembourg                                
|Sun Microsystems Malaysia Sdn. Bhd.                          |  | Malaysia                                  
|Sun Microsystems Management Services Corporation             |  | California                                



---

|                                                                                    |  |                                           
|----------------------------------------------------------------------------------- |  | ------------------------------------------
|                                                                                    |  | Jurisdiction of Incorporation or
Formation
|Sun Microsystems (Middle East) B.V.                                                 |  | Netherlands                               
|Sun Microsystems Nederland B.V.                                                     |  | Netherlands                               
|Sun Microsystems (NZ) Limited                                                       |  | New Zealand                               
|Sun Microsystems of California, Inc.                                                |  | California                                
|Sun Microsystems of California Limited                                              |  | Hong Kong                                 
|Sun Microsystems of Canada Inc.                                                     |  | Canada                                    
|Sun Microsystems Oy                                                                 |  | Finland                                   
|Sun Microsystems Poland Sp.z.o.o                                                    |  | Poland                                    
|Sun Microsystems (Portugal) Tecnicas de Informatica, Sociedade Unipessoal, Limitada |  | Portugal                                  
|Sun Microsystems Products, Ltd.                                                     |  | Peoples Republic of China                
|Sun Microsystems Properties, Inc.                                                   |  | California                                
|Sun Microsystems Pte. Ltd.                                                          |  | Singapore                                 
|Sun Microsystems Risk Management, Inc.                                              |  | California                                
|Sun Microsystems (Schweiz) A.G.                                                     |  | Switzerland                               
|Sun Microsystems Scotland B.V.                                                      |  | Netherlands                               
|Sun Microsystems Scotland Limited                                                   |  | Scotland                                  
|Sun Microsystems Scotland LP                                                        |  | Scotland                                  
|Sun Microsystems Slovakia, s.r.o                                                    |  | Slovak Republic                           
|Sun Microsystems (South Africa) (Pty) Limited                                       |  | Republic of South Africa                  
|Sun Microsystems Superannuation Nominees Pty. Ltd.                                  |  | Australia                                 
|Sun Microsystems SPB LLC                                                            |  | Russian Federation                        
|Sun Microsystems Taiwan Limited                                                     |  | Taiwan                                    
|Sun Microsystems Technology Ltd.                                                    |  | Bermuda                                   
|Sun Microsystems Technology Pty. Ltd.                                               |  | Australia                                 
|Sun Microsystems (Thailand) Limited                                                 |  | Thailand                                  
|Sun Microsystems (U.A.E.) Ltd.                                                      |  | Cayman Islands                            
|Tarantella, Inc.                                                                    |  | California                                
|Tarantella International, Inc.                                                      |  | California                                
|The Santacruz Operation de Mexico, S. de R.L. De C.V.                               |  | Mexico                                    
|The Sun Microsystems Foundation, Inc.                                               |  | California                                
|Trustbase Limited                                                                   |  | United Kingdom                            
|Waveset Technologies, Inc.                                                          |  | Delaware                                  
|Waveset Technologies UK Limited                                                     |  | United Kingdom