ResearchRouting table, looking glass, RPKI & IRR

204.141.58.0/23 ALARMNET

Announced by AS36136 ALARMNET. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 204.141.58.0/23

Prefix

Origin

AS36136 ALARMNET

RPKI

RPKI valid

Size

512 addresses

Less specific

More specifics

IRR route objects

1 exact, 2 covering

In RouteViews

2026-10-14 16:02 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 6128×2 54004 36136

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 46887 36136

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 46887 36136

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6461 46887 36136

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6128×2 54004 36136

RPKI

Covered by a ROA authorizing AS36136 to originate 204.141.56.0/22 up to /24. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
204.141.56.0/22	/24	AS36136 ALARMNET	ARIN
204.141.0.0/16	/16	AS2914 NTT-DATA-2914	ARIN

IRR

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

Route	Origin	Source	Description	Maintained by
204.141.58.0/23	AS36136 ALARMNET	NTTCOM	Proxy RO for Resideo	MAINT-NTTCOM-RA
204.141.56.0/22 covering	AS36136 ALARMNET	RADB	Honeywell Alarmnet	MAINT-AS27506
204.141.0.0/16 covering	AS2914 NTT-DATA-2914	NTTCOM	NTT Communications backbone	MAINT-NTTCOM-RA

Less specific

Announced prefixes that contain this one, most specific first.

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