65.51.29.0/24 Cablevision Systems Corp.
Announced by AS19720 Cablevision Systems Corp. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 65.51.29.0/24
Prefix
Origin
AS19720 CABLEVISION-CORP
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
0 exact, 3 covering
In RouteViews
2026-10-15 08:02 UTC
Paths
How 65.51.29.0/24 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 6128×2 19720
| Origin | AS19720 Cablevision Systems Corp. |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 2h 12m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 6128 19720
| Origin | AS19720 Cablevision Systems Corp. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 2h 11m ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6128 19720
| Origin | AS19720 Cablevision Systems Corp. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 2h 13m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS19720 to originate 65.51.28.0/22 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 65.51.28.0/22 | /24 | AS19720 CABLEVISION-CORP | ARIN |
| 65.51.0.0/16 | /24 | AS6128 CABLE-NET-1 | ARIN |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 65.51.0.0/17 covering | AS6128 CABLE-NET-1 | ARIN | CSC Holdings, Inc (Cablevision Lightpath) 1111 Stewart Avenue Bethpage, NY 11714-3533 US | MNT-CVNT |
| 65.51.0.0/16 covering | AS6128 CABLE-NET-1 | ARIN | AlticeUSA 1111 Stewart Avenue Bethpage NY 11714 United States | MNT-CVNT |
| 65.51.0.0/16 covering | AS11805 ENNWISE-AS | LEVEL3 | Home Click | HOMEC-MNT |