Exhibit 21

As of December 31, 2005

A table of subsidiaries of Liberty Media Corporation is set forth below, indicating as to each the state or jurisdiction of organization
and the names under which such subsidiaries do business. Subsidiaries not included in the table are inactive or, considered in the aggregate as a single subsidiary, would not constitute a significant
subsidiary.

|Subsidiary Name                             |  | State or Country
of Formation
|------------------------------------------- |  | -----------------------------
|1227844 Ontario Ltd.                        |  | CANADA (Ontario)             
|4G Media Ltd.                               |  | Turks & Caicos               
|ACTV Entertainment, Inc.                    |  | NY                           
|ACTV Intellocity GmbH                       |  | GERMANY                      
|ACTV International BV                       |  | NETHERLANDS                  
|ACTV, Inc.                                  |  | DE                           
|Advision, LLC                               |  | DE                           
|AEI Music Network, Inc.                     |  | WA                           
|Affiliate Marks Investments, Inc.           |  | DE                           
|Affiliate Investment, Inc.                  |  | DE                           
|Affiliate Relations Holdings, Inc.          |  | DE                           
|Affiliate Sales & Marketing, Inc.           |  | DE                           
|Aries Pictures LLC                          |  | CO                           
|Ascent Entertainment Group, Inc.            |  | DE                           
|Associated Information Services Corporation |  | DE                           
|Associated PCN Holding Corporation          |  | DE                           
|Barefoot Acquisition, LLC                   |  | DE                           
|BDTV II Inc.                                |  | DE                           
|BDTV III Inc.                               |  | DE                           
|BDTV Inc.                                   |  | DE                           
|BDTV IV, Inc.                               |  | DE                           
|BET Movies/STARZ!3, LLC                     |  | DE                           
|BettingCorp. UK Ltd.                        |  | UK                           
|CableSoft Corporation                       |  | DE                           
|CDirect Mexico I, Inc.                      |  | DE                           
|CDirect Mexico II, Inc.                     |  | DE                           
|Commerce Technologies, Inc.                 |  | NY                           
|Communication Capital Corp.                 |  | DE                           
|Connectid, LLC                              |  | DE                           
|CVN Companies, Inc.                         |  | MN                           
|CVN Direct Marketing Corp.                  |  | MN                           
|CVN Distribution Co., Inc.                  |  | MN                           
|CVN Management, Inc.                        |  | MN                           
|CVN Michigan, Inc.                          |  | MN                           
|Diamonique Corporation                      |  | NJ                           
|Digital ADCO, Inc.                          |  | DE                           
|Dry Creek Productions LLC                   |  | CO                           
|EI Holdings, Inc.                           |  | CO                           
|Encore International Newco, LLC             |  | CO                           
|Encore London Limited                       |  | UK                           
|Equipment OCV, Inc.                         |  | DE                           
|ER Development International, Inc.          |  | PA                           
|ER Marks, Inc.                              |  | DE                           
|                                            |  |                              

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|EZShop International, Inc.                     |  | DE              
|---------------------------------------------- |  | ----------------
|GSI Commerce, Inc.                             |  | DE              
|Health Ventures Partners G.P.                  |  | PA              
|Hotel Digital Network Inc.                     |  | CA              
|Hotelevision, Inc (dba The Hotel Networks)     |  | DE              
|HyperTV Networks, Inc.                         |  | DE              
|IC Marks, Inc.                                 |  | DE              
|IM Experience, Inc.                            |  | PA              
|Influence Marketing Corp. (dba QVC@the Mall)   |  | NOVA SCOTIA     
|Influence Marketing Services, Inc.             |  | CANADA (Ontario)
|Ingenius                                       |  | CO              
|Innovative Retailing, Inc.                     |  | DE              
|Intellocity USA, Inc.                          |  | DE              
|iQVC GmbH                                      |  | GERMANY         
|KSI, Inc.                                      |  | DE              
|LBTW I, Inc.                                   |  | CO              
|LBTW II, Inc.                                  |  | CO              
|LBTW III, Inc.                                 |  | CO              
|LDIG Aloy, Inc.                                |  | DE              
|LDIG Cars, Inc.                                |  | DE              
|LDIG Film, Inc.                                |  | DE              
|LDIG Financing LLC                             |  | DE              
|LDIG Food, Inc.                                |  | DE              
|LDIG Gamenet, Inc.                             |  | DE              
|LDIG House, Inc.                               |  | DE              
|LDIG ICTV Corp.                                |  | DE              
|LDIG Koz, Inc.                                 |  | DE              
|LDIG NL, Inc.                                  |  | DE              
|LDIG Online Retail, Inc.                       |  | DE              
|LDIG Order, Inc.                               |  | DE              
|LDIG OTV, Inc.                                 |  | DE              
|LDIG Respond, Inc.                             |  | DE              
|LDIG UGON, Inc.                                |  | DE              
|LDIG, LLC                                      |  | DE              
|Liberty Academic Systems Holdings, Inc.        |  | CO              
|Liberty AEG, Inc.                              |  | DE              
|Liberty Aero, LLC                              |  | DE              
|Liberty AGI, LLC                               |  | DE              
|Liberty Animal Planet, LLC                     |  | CO              
|Liberty Animal, Inc.                           |  | DE              
|Liberty Associated Holdings LLC                |  | DE              
|Liberty Associated, Inc.                       |  | DE              
|Liberty ATCL, Inc.                             |  | CO              
|Liberty Auction Holdings LLC                   |  | DE              
|Liberty Auction, Inc.                          |  | DE              
|Liberty BBandnow Holdings, LLC                 |  | DE              
|Liberty BBandnow, Inc.                         |  | DE              
|Liberty BETI, Inc.                             |  | DE              
|Liberty Broadband Interactive Television, Inc. |  | DE              
|Liberty Centennial Holdings, Inc.              |  | DE              
|Liberty Challenger, LLC                        |  | DE              
|Liberty Citation, Inc.                         |  | DE              
|                                               |  |                 

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|Liberty CM, Inc.                  |  | DE    
|--------------------------------- |  | ------
|Liberty CNBC, Inc.                |  | CO    
|Liberty Court II, Inc.            |  | CO    
|Liberty Court, Inc.               |  | WY    
|Liberty Crown, Inc.               |  | DE    
|Liberty CSG Cash, LLC             |  | DE    
|Liberty CSG Warrants, LLC         |  | DE    
|Liberty Denver Arena LLC          |  | DE    
|Liberty Equator, Inc.             |  | DE    
|Liberty ETC Holdings, LLC         |  | DE    
|Liberty ETC, LLC                  |  | DE    
|Liberty EVNT, Inc.                |  | DE    
|Liberty Family Preferred, LLC     |  | DE    
|Liberty Finance LLC               |  | DE    
|Liberty Freedom, Inc.             |  | DE    
|Liberty FT Acquisition Inc.       |  | CANADA
|Liberty Geonet, Inc.              |  | DE    
|Liberty GI II, Inc.               |  | DE    
|Liberty GI, Inc.                  |  | DE    
|Liberty GIC. Inc.                 |  | CO    
|Liberty HSN II, Inc.              |  | DE    
|Liberty IATV Events, Inc.         |  | DE    
|Liberty IATV Holdings, Inc.       |  | DE    
|Liberty IATV, Inc.                |  | DE    
|Liberty IB2, LLC                  |  | DE    
|Liberty ICGX, Inc.                |  | DE    
|Liberty IDTC 2, Inc.              |  | DE    
|Liberty IDTC 3, Inc.              |  | DE    
|Liberty IDTC 4, Inc.              |  | DE    
|Liberty IDTC, Inc.                |  | DE    
|Liberty IDTel Holdings, Inc.      |  | DE    
|Liberty IDTel, Inc.               |  | DE    
|Liberty IDTMED, Inc.              |  | DE    
|Liberty International B-L LLC     |  | DE    
|Liberty Java, Inc.                |  | CO    
|Liberty KI, Inc.                  |  | DE    
|Liberty KV Holdings, Inc.         |  | DE    
|Liberty KV Partners I, LLC        |  | DE    
|Liberty Lightspan Holdings, Inc.  |  | CO    
|Liberty LQ VII, LLC               |  | DE    
|Liberty LSAT II, Inc.             |  | DE    
|Liberty LSAT, Inc.                |  | DE    
|Liberty MCNS Holdings, Inc.       |  | CO    
|Liberty MicroUnity Holdings, Inc. |  | CO    
|Liberty MLP, Inc.                 |  | CO    
|Liberty NC II, Inc.               |  | DE    
|Liberty NC III, Inc.              |  | DE    
|Liberty NC IV, Inc.               |  | DE    
|Liberty NC IX, Inc.               |  | DE    
|Liberty NC V, Inc.                |  | DE    
|Liberty NC VI, Inc.               |  | DE    
|Liberty NC VII, Inc.              |  | DE    
|                                  |  |       

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|Liberty NC VIII, Inc.                   |  | DE
|--------------------------------------- |  | --
|Liberty NC XII, Inc.                    |  | DE
|Liberty NC XIII, Inc.                   |  | DE
|Liberty NC, Inc.                        |  | DE
|Liberty NEA, Inc.                       |  | DE
|Liberty Next, Inc.                      |  | DE
|Liberty NP, Inc.                        |  | DE
|Liberty Online Health KI Holdings, Inc. |  | CO
|Liberty Online Health RN Holdings, Inc. |  | CO
|Liberty PCLN, Inc.                      |  | DE
|Liberty PL2, Inc.                       |  | DE
|Liberty PL3, LLC                        |  | DE
|Liberty Prime, Inc.                     |  | DE
|Liberty Programming Company LLC         |  | DE
|Liberty Property Holdings, Inc.         |  | DE
|Liberty QS, Inc.                        |  | DE
|Liberty QVC Holding, LLC                |  | DE
|Liberty Replay, Inc.                    |  | DE
|Liberty Satellite & Technology, Inc.    |  | DE
|Liberty Satellite, LLC                  |  | DE
|Liberty SMTRK of Texas, Inc.            |  | CO
|Liberty SMTRK, LLC                      |  | DE
|Liberty Sportsouth, Inc.                |  | GA
|Liberty Tower, Inc.                     |  | DE
|Liberty TP Holdings, Inc.               |  | DE
|Liberty TP Investment, LLC              |  | DE
|Liberty TP LLC                          |  | DE
|Liberty TP Management, Inc.             |  | DE
|Liberty TSAT, Inc.                      |  | DE
|Liberty TWSTY II, Inc.                  |  | DE
|Liberty TWSTY III, Inc.                 |  | DE
|Liberty VF, Inc.                        |  | DE
|Liberty Virtual I/O, Inc.               |  | CO
|Liberty WDIG, Inc.                      |  | DE
|Liberty WF Holdings LLC                 |  | DE
|Liberty WF, Inc.                        |  | DE
|Liberty Wireless 1, Inc.                |  | DE
|Liberty Wireless 10, Inc.               |  | DE
|Liberty Wireless 11, Inc.               |  | DE
|Liberty Wireless 2, Inc.                |  | DE
|Liberty Wireless 3, Inc.                |  | DE
|Liberty Wireless 4, Inc.                |  | DE
|Liberty Wireless 5, Inc.                |  | DE
|Liberty Wireless 6, Inc.                |  | DE
|Liberty Wireless 7, Inc.                |  | DE
|Liberty Wireless 8, Inc.                |  | DE
|Liberty Wireless 9, Inc.                |  | DE
|Liberty XMSR, Inc.                      |  | DE
|Liberty/Fox Southeast LLC               |  | DE
|LMC Bay Area Sports, Inc.               |  | CO
|LMC BET Holdings LLC                    |  | DE
|LMC BET, Inc.                           |  | CO
|                                        |  |   

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|LMC Capital LLC                    |  | DE                    
|---------------------------------- |  | ----------------------
|LMC Denver Arena, Inc.             |  | DE                    
|LMC IATV Events, LLC               |  | DE                    
|LMC Information Services, LLC      |  | DE                    
|LMC Request, Inc.                  |  | CO                    
|LMC Silver King, Inc.              |  | CO                    
|LMC Southeast Sports, Inc.         |  | CO                    
|LMC USA IX, Inc.                   |  | DE                    
|LMC USA VIII, Inc.                 |  | DE                    
|LMC USA XI, Inc.                   |  | DE                    
|LMC USA XII, Inc.                  |  | DE                    
|LMC USA XIII, Inc.                 |  | DE                    
|LMC USA XIV, Inc.                  |  | DE                    
|LMC USA XV, Inc.                   |  | DE                    
|LMC Wireless 1, LLC                |  | DE                    
|LMC Wireless 2, LLC                |  | DE                    
|LMC Wireless 3, LLC                |  | DE                    
|LMC Wireless 4, LLC                |  | DE                    
|LMC Wireless 5, LLC                |  | DE                    
|LMC Wireless 6, LLC                |  | DE                    
|LMC Wireless Holdings, Inc.        |  | DE                    
|LMC Wireless IV, LLC               |  | DE                    
|LMC/LSAT Holdings, Inc.            |  | DE                    
|LQ III, Inc.                       |  | DE                    
|LQ IV, Inc.                        |  | DE                    
|LQ V, Inc.                         |  | DE                    
|LQ VI, LLC                         |  | DE                    
|LSAT Astro LLC                     |  | DE                    
|LTP Wireless 1, LLC                |  | DE                    
|LTWX I, Inc.                       |  | CO                    
|LTWX II, Inc.                      |  | CO                    
|LTWX III, Inc.                     |  | CO                    
|LTWX IV, Inc.                      |  | CO                    
|LTWX V, Inc.                       |  | CO                    
|MacNeil/Lehrer Productions         |  | NY                    
|Maxide Acquisition, Inc.           |  | DE                    
|Maxide Music, Inc.                 |  | DE                    
|Media Online Services, Inc.        |  | DE                    
|On Command Argentina, SRL          |  | ARGENTINA             
|On Command Canada, Inc.            |  | CANADA                
|On Command Corporation             |  | DE                    
|On Command Development Corporation |  | DE                    
|On Command Video Corporation       |  | DE                    
|ONCO-HTV, Inc.                     |  | DE                    
|OpenGaming Ltd.                    |  | ISRAEL                
|OpenPlay (BVI) Ltd.                |  | BVI                   
|OpenStar Corporation               |  | CO                    
|OpenTV (Cayman) Digital Solutions  |  | CAYMAN ISLANDS        
|OpenTV Advertising Holdings, Inc.  |  | DE                    
|OpenTV Asia-Pacific K.K.           |  | JAPAN                 
|OpenTV Australia Pty. Ltd.         |  | AUSTRAILIA            
|OpenTV Corp.                       |  | British Virgin Islands
|                                   |  |                       

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|OpenTV Europe S.A.S.                           |  | FRANCE              
|---------------------------------------------- |  | --------------------
|OpenTV GmbH                                    |  | GERMANY             
|OpenTV Holding N.V.                            |  | Netherlands Antilles
|OpenTV Holdings B.V.                           |  | NETHERLANDS         
|OpenTV Hong Kong Pte Limited                   |  | HONG KONG           
|OpenTV Iberia SL                               |  | SPAIN               
|OpenTV Interactive Software (Beijing) Co. Ltd. |  | CHINA               
|OpenTV Japan K.K. (fka OpenTV AG)              |  | SWITZERLAND         
|OpenTV UK Limited                              |  | UK                  
|OpenTV US Holdings Inc.                        |  | DE                  
|OpenTV US Investments, Inc.                    |  | DE                  
|OpenTV, Inc.                                   |  | DE                  
|Pioneer Studios, Inc.                          |  | DE                  
|Produce Acquisition, Inc.                      |  | DE                  
|Puerto Rico Video Entertainment Corporation    |  | DE                  
|Q Fit, Inc.                                    |  | DE                  
|Q The Music, Inc.                              |  | DE                  
|Q2, Inc.                                       |  | NY                  
|QC Marks, Inc.                                 |  | DE                  
|QDirect Ventures, Inc.                         |  | DE                  
|QExhibits, Inc.                                |  | DE                  
|QFlight, Inc.                                  |  | DE                  
|QHealth, Inc.                                  |  | DE                  
|QK Holdings, Inc.                              |  | DE                  
|QS Holdings, Inc.                              |  | DE                  
|QVC                                            |  | GREAT BRITAIN       
|QVC Britain                                    |  | ENGLAND             
|QVC Britain I Limited                          |  | ENGLAND             
|QVC Britain I, Inc.                            |  | DE                  
|QVC Britain II, Inc.                           |  | DE                  
|QVC Britain III, Inc.                          |  | DE                  
|QVC Call Center GmbH & Co. KG                  |  | GERMANY             
|QVC Call Center Verwaltungs-GmbH               |  | GERMANY             
|QVC Chesapeake, Inc.                           |  | VA                  
|QVC China Domain Limited                       |  | HONG KONG           
|QVC China, Inc.                                |  | DE                  
|QVC de Mexico de S. de R.L. de C.V.            |  | MEXICO              
|QVC Delaware, Inc.                             |  | DE                  
|QVC Deutschland GmbH                           |  | GERMANY             
|QVC eDistribution Inc. & Co. KG                |  | GERMANY             
|QVC EDV-Service GmbH                           |  | GERMANY             
|QVC eService Inc. & Co. KG                     |  | GERMANY             
|QVC Germany I, Inc.                            |  | DE                  
|QVC Germany II, Inc.                           |  | DE                  
|QVC Grundstucksverwaltungs GmbH                |  | GERMANY             
|QVC Handel GmbH                                |  | GERMANY             
|QVC Holdings, Inc.                             |  | DE                  
|QVC International, Inc.                        |  | DE                  
|QVC Investment, LLC                            |  | CO                  
|QVC Japan Holdings, Inc.                       |  | DE                  
|QVC Japan Services, Inc.                       |  | DE                  
|QVC Japan, Inc.                                |  | JAPAN               
|                                               |  |                     

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|QVC Local, Inc.                                                           |  | DE         
|------------------------------------------------------------------------- |  | -----------
|QVC Mexico II, Inc.                                                       |  | DE         
|QVC Mexico III, Inc.                                                      |  | DE         
|QVC Mexico, Inc.                                                          |  | DE         
|QVC Middle East, Inc.                                                     |  | DE         
|QVC of Thailand, Inc.                                                     |  | DE         
|QVC Productworks, Inc.                                                    |  | DE         
|QVC Properties, Inc.                                                      |  | BRITAIN    
|QVC Publishing, Inc.                                                      |  | DE         
|QVC Realty, Inc.                                                          |  | PA         
|QVC Rocky Mount, Inc.                                                     |  | NC         
|QVC RS Naples, Inc.                                                       |  | FL         
|QVC San Antonio, Inc.                                                     |  | TX         
|QVC Satellite, Ltd                                                        |  | JAPAN      
|QVC St. Lucie, Inc.                                                       |  | FL         
|QVC Studio GmbH                                                           |  | GERMANY    
|QVC Virginia, Inc.                                                        |  | VA         
|QVC, Inc.                                                                 |  | DE         
|QVC-QRT, Inc.                                                             |  | DE         
|RS Marks, Inc.                                                            |  | DE         
|RS Myrtle Beach, Inc.                                                     |  | SC         
|Satellite MGT, Inc.                                                       |  | DE         
|Savor North Carolina, Inc.                                                |  | NC         
|SEG Investments, Inc.                                                     |  | DE         
|Spectradyne International, Inc.                                           |  | DE         
|SpotOn International Ltd.                                                 |  | BERMUDA    
|Spyglass Integration, Inc.                                                |  | DE         
|Spyglass, Inc.                                                            |  | DE         
|Starz Entertainment Group LLC                                             |  | CO         
|Static 2358 France S.A.S.                                                 |  | FRANCE     
|Static 2358 Holdings Limited                                              |  | UK         
|Static 2358 Limited                                                       |  | UK         
|Static 2358, Inc.                                                         |  | CA         
|TATV, Inc.                                                                |  | DE         
|TBH Marks, Inc.                                                           |  | DE         
|TCI Cathay TV, Inc.                                                       |  | CO         
|The Box Music Network S.L.                                                |  | SPAIN      
|The Box Worldwide-Europe, B.V.                                            |  | NETHERLANDS
|TOBH, Inc.                                                                |  | DE         
|TP Middle East, LLC                                                       |  | DE         
|TruePosition China, LLC                                                   |  | DE         
|TruePosition, Inc.                                                        |  | DE         
|TSAT Holding 1, Inc.                                                      |  | DE         
|TSAT Holding 2, Inc.                                                      |  | DE         
|Video Jukebox Network Europe, Ltd.                                        |  | UK         
|Virgin Islands Video Entertainment Corporation (dba Hotel Video Services) |  | DE         
|Wink Communications, Inc.                                                 |  | DE         
|Wink Interactive, Inc.                                                    |  | DE         
|X*PRESS Electronic Services, Ltd.                                         |  | CO         
|X*PRESS Information Services, Ltd.                                        |  | CO         

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