192.208.120.0/21 Cablevision Systems Corp.
Announced by AS6128 Cablevision Systems Corp. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 192.208.120.0/21
Prefix
Origin
AS6128 CABLE-NET-1
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-16 00:02 UTC
Paths
How 192.208.120.0/21 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 6128×3
| Origin | AS6128 Cablevision Systems Corp. |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 21h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 6128×3
| Origin | AS6128 Cablevision Systems Corp. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 19h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6128
| Origin | AS6128 Cablevision Systems Corp. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 8d 6h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS6128 to originate 192.208.120.0/21 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 192.208.120.0/21 | /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 |
|---|---|---|---|---|
| 192.208.120.0/21 | AS6128 CABLE-NET-1 | ALTDB | Proxy registration to prevent harm from ARIN-NONAUTH shutdown | MAINT-AS7034 |
| 192.208.120.0/21 | AS6128 CABLE-NET-1 | ARIN | 111 New South Rd Hicksville NY 11801 United States | MNT-CHL-54 |