2001:559:857b::/48 Comcast Cable Communications, LLC
Announced by AS33662 Comcast Cable Communications, LLC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 2001:559:857b::/48
Prefix
Origin
AS33662 CMCS
RPKI
RPKI valid
Size
65,536 /64s
Less specific
More specifics
0
IRR route objects
0 exact, 1 covering
In RouteViews
2026-10-12 16:06 UTC
Paths
How 2001:559:857b::/48 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 33662
| Origin | AS33662 Comcast Cable Communications, LLC |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:2001 |
| Updated | 4d 16h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 7922 33662
| Origin | AS33662 Comcast Cable Communications, LLC |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 5d 1h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7922 33662
| Origin | AS33662 Comcast Cable Communications, LLC |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 1h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS33662 to originate 2001:559:857b::/48 up to /48. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2001:559:857b::/48 | /48 | AS33662 CMCS | ARIN |
| 2001:558::/29 | /29 | 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 |
|---|---|---|---|---|
| 2001:558::/29 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.