| | | | | | | | |
| Name of Subsidiary | | Jurisdiction of Incorporation or Organization |
| 1111 Stewart Corporation | | Delaware |
| 4Connections LLC | | New Jersey |
| a4 Media, LLC | | Delaware |
| A R H, LTD. | | Colorado |
| | |
| Altice Care Holdings Corp. | | Delaware |
| Altice/Charter Master Cable Advertising, LLC | | Delaware |
| Altice Media Solutions LLC | | Delaware |
| Altice News, Inc. | | Delaware |
| Altice Real Estate Corporation | | New York |
| Altice USA Employee Disaster Relief Fund | | Delaware |
| Altice USA News, Inc. | | Delaware |
| Altice USA Wireless, Inc. | | Delaware |
| ATS Home Security Installers, LLC | | Delaware |
| ATS US Holdings, Corp. | | Delaware |
| ATS US, LLC | | Delaware |
| Audience Partners Canada, Inc. | | Canada |
| Audience Partners, LLC | | Pennsylvania |
| | |
| Audience Partners Worldwide LLC | | Delaware |
| A-R Cable Services - NY, Inc. | | New York |
| Cable Systems, Inc. | | Kansas |
| | |
| Cablevision Lightpath CT LLC | | Delaware |
| Cablevision Lightpath NJ LLC | | Delaware |
| Cablevision Lightpath, Inc. | | Delaware |
| Cablevision NYI L.L.C. | | Delaware |
| Cablevision of Brookhaven, Inc. | | Delaware |
| Cablevision of Hudson County, LLC | | Delaware |
| Cablevision of Litchfield, Inc. | | Delaware |
| Cablevision of Monmouth, LLC | | Delaware |
| Cablevision of New Jersey, LLC | | Delaware |
| Cablevision of Newark | | New York |
| Cablevision of Oakland, LLC | | Delaware |
| Cablevision of Ossining Limited Partnership | | Massachusetts |
| Cablevision of Paterson, LLC | | Delaware |
| | |
| Cablevision of Rockland/Ramapo, LLC | | Delaware |
| Cablevision of Southern Westchester, Inc. | | New York |
| Cablevision of Wappingers Falls, Inc. | | Delaware |
| Cablevision of Warwick, LLC | | Delaware |
| Cablevision Systems Brookline Corporation | | Delaware |
| Cablevision Systems Corporation | | Delaware |
| Cablevision Systems Dutchess Corporation | | New York |
| Cablevision Systems East Hampton Corporation | | New York |
| Cablevision Systems Great Neck Corporation | | New York |
| Cablevision Systems Huntington Corporation | | New York |
| Cablevision Systems Islip Corporation | | New York |
| Cablevision Systems New York City Corporation | | Delaware |
| Cablevision Systems Suffolk Corporation | | New York |
| Cablevision Systems Westchester Corporation | | New York |
| Cebridge Acquisition, L.P. | | Delaware |
| Cebridge Acquisition, LLC | | Delaware |
