Exhibit 21.1

Sun Microsystems, Inc. Subsidiaries



|                                               |  |                                           
|---------------------------------------------- |  | ------------------------------------------
|Subsidiaries                                   |  | Jurisdiction of Incorporation or
Formation
|3055855 Nova Scotia Company                    |  | Canada                                    
|514713 N.B. Inc.                               |  | Canada                                    
|Belle Gate Investment B.V.                     |  | Netherlands                               
|Cobalt Networks B.V                            |  | Netherlands                               
|Forte Software (UK) Limited                    |  | United Kingdom                            
|ISOPIA Company                                 |  | Canada                                    
|ISOPIA Corp.                                   |  | New York                                  
|ISOPIA Limited                                 |  | United Kingdom                            
|Niwot Acquisition Corp.                        |  | Delaware                                  
|SeeBeyond (Deutschland) GmbH                   |  | Germany                                   
|SeeBeyond (Nordic) Denmark ApS                 |  | Nordic                                    
|SeeBeyond (Sweden) AB                          |  | Sweden                                    
|SeeBeyond (UK) Ltd.                            |  | United Kingdom                            
|SeeBeyond Limited (New Zealand)                |  | New Zealand                               
|SeeBeyond Pte. Ltd.                            |  | Singapore                                 
|SeeBeyond Pty Ltd.                             |  | Australia                                 
|SeeBeyond Technology Corporation Japan KK      |  | Japan                                     
|SeeBeyond Technology Corporation Korea Ltd.    |  | Korea                                     
|Solaris Assurance, Inc.                        |  | Bermuda                                   
|Solaris Indemnity, Ltd.                        |  | Bermuda                                   
|STC Systems Pvt Ltd.                           |  | India                                     
|Storage Technology Austria GmbH                |  | Austria                                   
|Storage Technology (Bermuda) Ltd.              |  | Bermuda                                   
|Storage Technology European Operations, S.A.S. |  | France                                    
|Storage Technology Holding Limited             |  | United Kingdom                            
|Storage Technology Limited                     |  | United Kingdom                            
|Storage Technology of Australia Pty., Limited  |  | Australia                                 
|StorageTek (Bermuda) Finance Limited           |  | Bermuda                                   
|StorageTek (China) Services Company Limited    |  | China                                     
|StorageTek (India) Private Ltd.                |  | India                                     
|StorageTek (Malaysia) Sdn. Bhd.                |  | Malaysia                                  
|StorageTek International Corporation           |  | Delaware                                  
|StorageTek Ireland Limited                     |  | Ireland                                   
|StorageTek New Zealand Pty., Limited           |  | New Zealand                               
|StorageTek North Asia Limited                  |  | Hong Kong                                 
|StorageTek Poland Sp. Zo.o.                    |  | Poland                                    
|StorageTek SBG Europe S.A.S.                   |  | France                                    
|StorageTek South Asia Pte. Ltd.                |  | Singapore                                 
|Sun Microsystems AB                            |  | Sweden                                    
|Sun Microsystems AO                            |  | Russia                                    
|Sun Microsystems AS                            |  | Norway                                    
|Sun Microsystems Australia Pty. Ltd.           |  | Australia                                 
|Sun Microsystems Belgium N.V./S.A.             |  | Belgium                                   
|Sun Microsystems Benelux B.V.                  |  | Netherlands                               
|Sun Microsystems (Bilgisayar Sistemleri) L.S.  |  | Turkey                                    
|Sun Microsystems (China) Co., Ltd.             |  | Peoples Republic of China                



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|                                                                                    |  |                                           
|----------------------------------------------------------------------------------- |  | ------------------------------------------
|Subsidiaries                                                                        |  | Jurisdiction of Incorporation or
Formation
|Sun Microsystems China Ltd.                                                         |  | Hong Kong                                 
|Sun Microsystems Consulting Limited                                                 |  | Peoples Republic of China                
|Sun Microsystems (Cyprus) Limited                                                   |  | Cyprus                                    
|Sun Microsystems Czech s.r.o.                                                       |  | Czech Republic                            
|Sun Microsystems Danmark 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 do Brasil Industria e Comericio Ltda.                              |  | Brazil                                    
|Sun Microsystems (Egypt) LLC                                                        |  | Egypt                                     
|Sun Microsystems Europe Properties B.V.                                             |  | Netherlands                               
|Sun Microsystems European Holding B.V.                                              |  | Netherlands                               
|Sun Microsystems Exchange, Inc.                                                     |  | Delaware                                  
|Sun Microsystems Federal, Inc.                                                      |  | California                                
|Sun Microsystems Global Finance K.K.                                                |  | Japan                                     
|Sun Microsystems Financial Sector Sarl                                              |  | Luxembourg                                
|Sun Microsystems France S.A.                                                        |  | France                                    
|Sun Microsystems Ges.m.b.H                                                          |  | Austria                                   
|Sun Microsystems Global Financial Services, LLC                                     |  | Delaware                                  
|Sun Microsystems GmbH                                                               |  | Germany                                   
|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 International B.V.                                                 |  | Netherlands                               
|Sun Microsystems International Holding B.V.                                         |  | Netherlands                               
|Sun Microsystems International, Inc.                                                |  | California                                
|Sun Microsystems Investments S.a.r.l.                                               |  | Luxembourg                                
|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                                
|Sun Microsystems (Middle East) B.V.                                                 |  | Netherlands                               
|Sun Microsystems Nederlands 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                                  



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|                                                      |  |                                           
|----------------------------------------------------- |  | ------------------------------------------
|Subsidiaries                                          |  | Jurisdiction of Incorporation or
Formation
|Sun Microsystems Products, Ltd.                       |  | Peoples Republic of China                
|Sun Microsystems Pte. Ltd.                            |  | Singapore                                 
|Sun Microsystems (Schweiz) A.G.                       |  | Switzerland                               
|Sun Microsystems Scotland B.V.                        |  | Netherlands                               
|Sun Microsystems Scotland Limited                     |  | Scotland                                  
|Sun Microsystems Scotland LP                          |  | Scotland                                  
|Sun Microsystems Services France SAS                  |  | France                                    
|Sun Microsystems Slovakia, s.r.o                      |  | Slovak Republic                           
|Sun Microsystems (South Africa) (Pty) Limited         |  | Republic of South Africa                  
|Sun Microsystems SPB LLC                              |  | Russian Federation                        
|Sun Microsystems Superannuation Nominees Pty. Ltd.    |  | Australia                                 
|Sun Microsystems Taiwan Limited                       |  | Taiwan                                    
|Sun Microsystems Technology Ltd.                      |  | Bermuda                                   
|Sun Microsystems (Thailand) Limited                   |  | Thailand                                  
|Sun Microsystems (U.A.E.) Ltd.                        |  | Cayman Islands                            
|The Santacruz Operation de Mexico, S. de R.L. de C.V. |  | Mexico