ResearchRouting table, looking glass, RPKI & IRR

64.50.168.0/21 Comcast Cable Communications, LLC

Announced by AS33652 Comcast Cable Communications, LLC. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 64.50.168.0/21

Origin
AS33652 CMCS
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
4 exact, 2 covering
In RouteViews
2026-10-14 16:02 UTC

How 64.50.168.0/21 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 33652
OriginAS33652 Comcast Cable Communications, LLC
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated11h 44m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 33652
OriginAS33652 Comcast Cable Communications, LLC
Origin codeIGP
Communities903:900 903:13760
Updated6d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7922 33652
OriginAS33652 Comcast Cable Communications, LLC
Origin codeIGP
Communities36295:100
Updated6d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 7922 33652
OriginAS33652 Comcast Cable Communications, LLC
Origin codeIGP
Communities174:21000 174:22013
Updated6d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 7922 33652
OriginAS33652 Comcast Cable Communications, LLC
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated10d 15h ago

Route origin authorizations

Covered by a ROA authorizing AS33652 to originate 64.50.168.0/21 up to /21. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
64.50.168.0/21/21AS7922 COMCAST-7922ARIN
64.50.168.0/21/21AS33652 CMCSARIN

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
64.50.168.0/21AS7922 COMCAST-7922ARINUsed by EndUserMNT-DCL-577
64.50.168.0/21AS33652 CMCSARINUsed by EndUserMNT-DCL-577
64.50.168.0/21AS7922 COMCAST-7922RADBautogenMAINT-AS834
64.50.168.0/21AS33652 CMCSRADBautogenMAINT-AS834
64.50.160.0/19 coveringAS13953 SVCC-EDULEVEL3NAS-INTERNETNASDSL-MNT
64.50.160.0/19 coveringAS36352 AS-COLOCROSSINGRADBHostPapa, IncMAINT-AS27506

Check 64.50.168.0/21 live