2a0c:1900::/29 Comcast Cable Communications, LLC
Announced by AS33651 Comcast Cable Communications, LLC. RPKI valid Seen by 5 of our 5 looking glass sessions. Also originated by AS33667
Summary
What the table says about 2a0c:1900::/29
Prefix
Origin
AS33651 CMCS
RPKI
RPKI valid
Size
34,359,738,368 /64s
Less specific
none
More specifics
4
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 04:07 UTC
Paths
How 2a0c:1900::/29 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 13760 3356 33667
| Origin | AS33667 Comcast Cable Communications, LLC |
| Origin code | IGP |
| Communities | 3356:3 3356:86 3356:575 3356:601 3356:666 3356:901 3356:2011 33667:2955 36601:150 36601:2001 |
| Updated | 4d 4h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 33667
| Origin | AS33667 Comcast Cable Communications, LLC |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 4d 12h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7922 33667
| Origin | AS33667 Comcast Cable Communications, LLC |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 12h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS33651 to originate 2a0c:1900::/29 up to /29. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2a0c:1900::/29 | /29 | AS33651 CMCS | RIPE |
| 2a0c:1900::/29 | /29 | AS33667 CMCS | RIPE |
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 |
|---|---|---|---|---|
| 2a0c:1900::/29 | AS33651 CMCS | RIPE | N | US-FXCAPITAL-1-MNT |
More specific
Prefixes inside 2a0c:1900::/29
4 announced prefixes fall inside this one.