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