ResearchRouting table, looking glass, RPKI & IRR

135.132.64.0/19 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

What the table says about 135.132.64.0/19

Origin
AS33651 CMCS
RPKI
RPKI valid
Size
8,192 addresses
Less specific
none
More specifics
2
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-16 04:02 UTC

How 135.132.64.0/19 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 33667
OriginAS33667 Comcast Cable Communications, LLC
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated22h 37m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 33667
OriginAS33667 Comcast Cable Communications, LLC
Origin codeIGP
Communities903:900 903:13760
Updated8d 13h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 7922 33667
OriginAS33667 Comcast Cable Communications, LLC
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated17h 41m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 7922 33667
OriginAS33667 Comcast Cable Communications, LLC
Origin codeIGP
Communities174:21000 174:22013
Updated22h 37m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 7922 33667
OriginAS33667 Comcast Cable Communications, LLC
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated22h 37m ago

Route origin authorizations

Covered by a ROA authorizing AS33651 to originate 135.132.64.0/19 up to /19. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
135.132.64.0/19/19AS33651 CMCSRIPE
135.132.64.0/19/19AS33667 CMCSRIPE

Route objects

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

RouteOriginSourceDescriptionMaintained by
135.132.64.0/19AS33651 CMCSRIPENMNT-US-AVIATION-1
135.132.64.0/19AS33667 CMCSRIPENMNT-US-AVIATION-1

Prefixes inside 135.132.64.0/19

2 announced prefixes fall inside this one.

Show the 2 prefixes

Check 135.132.64.0/19 live