209.23.201.0/24 Comcast Cable Communications, LLC
Announced by AS33651 Comcast Cable Communications, LLC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 209.23.201.0/24
Prefix
Origin
AS33651 CMCS
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
0 exact, 4 covering
In RouteViews
2026-10-13 12:02 UTC
Paths
How 209.23.201.0/24 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 33651
| Origin | AS33651 Comcast Cable Communications, LLC |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 10h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 7922 33651
| Origin | AS33651 Comcast Cable Communications, LLC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 18h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7922 33651
| Origin | AS33651 Comcast Cable Communications, LLC |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 18h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS33651 to originate 209.23.201.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 209.23.201.0/24 | /24 | AS33651 CMCS | ARIN |
| 209.23.201.0/24 | /24 | AS33667 CMCS | 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 |
|---|---|---|---|---|
| 209.23.200.0/21 covering | AS16748 COMCAST-TELECOMM-4 | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 209.23.192.0/20 covering | AS16748 COMCAST-TELECOMM-4 | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 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.