Exhibit 21.1
| Name | State/ Country of Organization | |
| Comcast | ||
| CCF Management Services, Inc. | DE | |
| Centaur Funding Corporation | Cayman Islands | |
| Century-TCI California Communications, L.P. | DE | |
| Comcast ABB Note Consolidation, Inc. | DE | |
| Comcast ABB Note Sub Consolidation I, Inc. | DE | |
| Comcast Alpha Holdings, Inc. | DE | |
| Comcast Broadband Security, LLC | DE | |
| Comcast Business Communications, LLC | PA | |
| Comcast Cable Communications Canada, Inc. | Canada | |
| Comcast Cable Communications Management, LLC | DE | |
| Comcast Cable Communications, LLC | DE | |
| Comcast Cable Funding I, Inc. | DE | |
| Comcast Cable Holdings, LLC | DE | |
| Comcast Cablevision of Southeast Michigan, Inc. | DE | |
| Comcast Capital Corporation | DE | |
| Comcast Commercial Services Group Holdings, LLC | DE | |
| Comcast Funding I, Inc. | DE | |
| Comcast Holdings Corporation | PA | |
| Comcast IP Phone II, LLC | DE | |
| Comcast IP Phone, LLC | PA | |
| Comcast IP Services, LLC | DE | |
| Comcast JR Holdings, Inc. | DE | |
| Comcast Metatv, Inc. | DE | |
| Comcast MO Communications Holding Company, Inc. | DE | |
| Comcast MO Express Midwest, Inc. | OH | |
| Comcast MO Express of Florida, Inc. | DE | |
| Comcast MO Express of New England, Inc. | MA | |
| Comcast MO Express of Virginia, Inc. | VA | |
| Comcast MO Group, Inc. | DE | |
| Comcast MO Holdings I, LLC | DE | |
| Comcast MO Information Technology Systems, Inc. | MA | |
| Comcast MO International Programming, Inc. | MA | |
| Comcast MO Investments, LLC | DE | |
| Comcast MO of Delaware, LLC | DE | |
| Comcast MO Telecommunications Corp. | DE | |
| Comcast Navy Acquisition, LLC | DE | |
| Comcast Navy Contribution, LLC | DE | |
| Comcast Navy Holdings, LLC | DE | |
| Comcast Newco 13, Inc. | DE | |
| Comcast of Arkansas/Florida/Louisiana/ Minnesota/Mississippi/Tennessee, Inc. | DE | |
| Comcast of Boston, Inc. | NY | |
| Comcast of Brockton, Inc. | DE | |
| Comcast of California II, LLC | DE | |
| Comcast of California III, Inc. | CA | |
| Comcast of California IX, Inc. | CA | |
| Comcast of California XII, LLC | DE | |
| Comcast of California/Colorado, LLC | DE | |
| Comcast of California/Colorado/Florida/Oregon, Inc. | GA | |
| Comcast of California/Colorado/Illinois/Indiana/Michigan, LP | DE | |
| Comcast of California/Maryland/Pennsylvania/Virginia/West Virginia, LLC | DE | |
| Comcast of California/Massachusetts/Michigan/Utah, LLC | DE | |
| Comcast of Colorado IX, LLC | DE | |
| Comcast of Colorado/Florida/Michigan/New Mexico/Pennsylvania/Washington, LLC | CO | |
| Comcast of Colorado/Pennsylvania/West Virginia, LLC | DE | |
| Comcast of Connecticut, Inc. | OK | |
| Comcast of Connecticut/Georgia/Massachusetts/New Hampshire/New York/North Carolina/Virginia/Vermont, LLC | DE | |
| Comcast of Florida/Georgia/Illinois/Michigan, LLC | FL | |
| Comcast of Florida/Georgia/Pennsylvania, L.P. | DE | |
| Comcast of Garden State, L.P. | DE | |
| Comcast of Georgia/Massachusetts, LLC | DE | |
| Comcast of Georgia/Virginia, Inc. | CO | |
| Comcast of Harford County, LLC | MD | |
| Comcast of Houston, LLC | DE | |
| Comcast of Illinois IV, Inc. | IL | |
| Comcast of Illinois VI, LLC | DE | |
| Comcast of Illinois/Indiana/Ohio, LLC | DE | |
| Comcast of Maine/New Hampshire, Inc. | NH | |
| Comcast of Maryland, LLC | CO | |
| Comcast of Massachusetts I, Inc. | MA | |
| Comcast of Massachusetts II, Inc. | DE | |
| Comcast of Massachusetts III, Inc. | DE | |
| Comcast of Massachusetts/New Hampshire, LLC | DE | |
| Comcast of Michigan II, LLC | DE | |
| Comcast of Milton, Inc. | MA | |
| Comcast of Needham, Inc. | DE | |
| Comcast of New Jersey II, LLC | DE | |
| Comcast of Oregon II, Inc. | OR | |
| Comcast of Pennsylvania I, LLC | DE | |
| Comcast of Pennsylvania II, L.P. | DE | |
| Comcast of Philadelphia II, LLC | DE | |
| Comcast of Potomac, LLC | DE | |
| Comcast of South Chicago, Inc. | IL | |
| Comcast of South Jersey, LLC | DE | |
| Comcast of Southeast Pennsylvania, LLC | DE | |
| Comcast of Southern New England, Inc. | MA | |
| Comcast of St. Paul, Inc. | MN | |
| Comcast of Taylor, LLC | DE | |
| Comcast of the South | CO | |
| Comcast of the South, L.P. | CO | |
| Comcast Phone of Central Indiana, LLC | DE | |
| Comcast Phone of D.C., LLC | DE | |
| Comcast Phone of Missouri, LLC | DE | |
| Comcast Phone of Virginia, LLC | VA | |
| Comcast Phone of West Virginia, LLC | DE | |
| Comcast Programming Holdings, LLC | DE | |
| Comcast QVC, Inc. | DE | |
| Comcast Spectacor, L.P. | PA |
| Comcast SportsNet New England Holdings, LLC | DE | |
| Comcast Spotlight, LP | DE | |
| Comcast TCP Holdings, Inc. | DE | |
| Comcast Telephony Communications, LLC | DE | |
| Comcast Telephony Services Holdings, Inc. | DE | |
| Comcast Visible World Holdings, Inc. | DE | |
| Continental Cablevision Asia Pacific, Inc. | MA | |
| Continental Teleport Partners, Inc. | MA | |
| Heritage Cablevision of Massachusetts, LLC | MA | |
| Jones Cable Holdings, LLC | CO | |
| National Cable Communications LLC | DE | |
| NBCUniversal, LLC | DE | |
| NBCUniversal Enterprise, Inc. | DE | |
| NBCUniversal Media, LLC | DE | |
| New England Microwave, LLC | CT | |
| One Belmont Insurance Company | VT | |
| Parnassos Communications, L.P. | DE | |
| Preview Magazine Corporation | DE | |
| Stage II, L.P. | PA | |
| TCI Central, LLC | DE | |
| TCI Holdings I, LLC | DE | |
| TCI Northeast, LLC | DE | |
| TCI of Council Bluffs, LLC | IA | |
| TCI of Indiana Holdings, LLC | CO | |
| TCI of Indiana Insgt Holdings, LLC | CO | |
| TCI Pacific Communications, Inc. | DE | |
| TCI Realty, LLC | DE | |
| TCI South Carolina IP-I, LLC | DE | |
| TCI Southeast, Inc. | DE | |
| TCI TKR of Wyoming, Inc. | WY | |
| TCI West, LLC | DE | |
| UACC Midwest Insgt Holdings, LLC | CO | |
| UA-Columbia Cablevision of Massachusetts, Inc. | MA | |
| United Artists Holdings, LLC | DE | |
| WLT Systems, LLC | IL | |
| NBCUniversal | ||
| Bravo Holding LLC | DE | |
| Bravo Media LLC | NY | |
| CA Holding C.V. | The Netherlands | |
| CNBC LLC | DE | |
| CNBC/MSNBC, L.L.C. | DE | |
| Comcast SportsNet Chicago, LLC | DE | |
| E! Entertainment Television, LLC | DE | |
| E! Holdings, Inc. | DE | |
| Houston SportsNet Finance, LLC | DE | |
| Houston SportsNet Holdings LLC | DE | |
| MSNBC Cable L.L.C. | DE | |
| NBC Cable Holding LLC | DE | |
| NBC Olympics LLC | DE | |
| NBC-Rainbow Holding LLC | CA | |
| NBC Studios LLC | NY | |
| NBCU Acquisition Sub LLC | DE | |
| NBCU Dutch Holding (Bermuda) Limited | Bermuda | |
| NBCUniversal International Limited | UK | |
| New-U Studios LLC | DE | |
| Northern Entertainment Productions LLC | DE | |
| Open 4 Business Productions LLC | DE | |
| Sparrowhawk Media Services Limited | UK | |
| TGC, LLC | DE | |
| Universal City Development Partners, Ltd. | FL | |
| Universal City Florida Holding Co. II | FL | |
| Universal City Property Management II LLC | DE | |
| Universal City Studios LLC | DE | |
| Universal City Studios Productions LLLP | DE | |
| Universal City Travel Partners | FL | |
| Universal First-Run Television LLC | DE | |
| Universal Network Television LLC | DE | |
| Universal Orlando Online Merchandise Store | FL | |
| Universal Studios Company LLC | DE | |
| Universal Studios International B.V. | The Netherlands | |
| Universal Studios LLC | DE | |
| Universal Television LLC | NY | |
| Universal Television Networks | NY | |
| Universal TV LLC | DE | |
| Universal TV NewCo LLC | DE | |
| USA Networks Partner LLC | DE | |
| USANi Holding Company LLC | DE | |
| USI Entertainment LLC | DE | |
| VUE NewCo LLC | DE |