ResearchRouting table, looking glass, RPKI & IRR

50.145.221.0/24 Marion County

Announced by AS401151 Marion County. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 50.145.221.0/24

Prefix

Origin

RPKI

RPKI valid

Size

256 addresses

Less specific

More specifics

IRR route objects

1 exact, 1 covering

In RouteViews

2026-10-16 04:02 UTC

Paths

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 3356 401151

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 401151

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 3356 401151

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 3356 401151

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3356 401151

RPKI

Covered by a ROA authorizing AS401151 to originate 50.145.221.0/24 up to /24. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
50.145.221.0/24	/24	AS401151 MCOR-AS	ARIN
50.145.192.0/18	/18	AS33490 COMCAST-33490	ARIN
50.128.0.0/9	/9	AS7922 COMCAST-7922	ARIN

IRR

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

Route	Origin	Source	Description	Maintained by
50.145.221.0/24	AS401151 MCOR-AS	ARIN	Comcast Cable Communications, LLC	MNT-CCCS
50.128.0.0/9 covering	AS7922 COMCAST-7922	RADB	Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054	MAINT-AS7922

Less specific

Announced prefixes that contain this one, most specific first.

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