209.23.210.0/24 NCTA - The Internet & Television Association
Announced by AS26868 NCTA - The Internet & Television Association. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 209.23.210.0/24
Prefix
Origin
AS26868 NCTA-WASHINGTONDC
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-13 12:02 UTC
Paths
How 209.23.210.0/24 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 7922 33657 26868
| Origin | AS26868 NCTA - The Internet & Television Association |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 11h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 7922 33657 26868
| Origin | AS26868 NCTA - The Internet & Television Association |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 20h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7922 33657 26868
| Origin | AS26868 NCTA - The Internet & Television Association |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 20h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS26868 to originate 209.23.210.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 209.23.210.0/24 | /24 | AS26868 NCTA-WASHINGTONDC | ARIN |
| 209.23.192.0/18 | /18 | AS7922 COMCAST-7922 | 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 |
|---|---|---|---|---|
| 209.23.210.0/24 | AS26868 NCTA-WASHINGTONDC | RADB | Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | MAINT-AS7922 |
| 209.23.192.0/18 covering | AS13385 COMCAST-TELECOMM | LEVEL3 | Comcast Commercial Services - Converged Infrastructure Agg Route | CTI-MNT |
| 209.23.192.0/18 covering | AS7922 COMCAST-7922 | RADB | Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | MAINT-AS7922 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.