168.221.0.0/16 Comcast Cable Communications, LLC
Announced by AS20214 Comcast Cable Communications, LLC. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 168.221.0.0/16
Prefix
Origin
AS20214 COMCAST-20214
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
2
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-14 16:02 UTC
Paths
How 168.221.0.0/16 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 20214
| Origin | AS20214 Comcast Cable Communications, LLC |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 10h 57m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 20214
| Origin | AS20214 Comcast Cable Communications, LLC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 21h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7922 20214
| Origin | AS20214 Comcast Cable Communications, LLC |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 21h ago |
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
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 |
|---|---|---|---|---|
| 168.221.0.0/16 | AS6912 HCSNET-ASNBLK | RADB | PNAP-ACS | MAINT-AS1828 |
| 168.221.0.0/16 | AS7922 COMCAST-7922 | RADB | Comcast Cable Communications, Inc 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 | MAINT-AS7922 |
More specific
Prefixes inside 168.221.0.0/16
2 announced prefixes fall inside this one.