ResearchRouting table, looking glass, RPKI & IRR

74.221.87.0/24 US Electrodynamics, Inc.

Announced by AS394492 US Electrodynamics, Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 74.221.87.0/24

Prefix

Origin

RPKI

RPKI valid

Size

256 addresses

Less specific

none

More specifics

IRR route objects

2 exact, 2 covering

In RouteViews

2026-10-12 20:02 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 13760 20055 394492×5

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 20055 394492×5

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6461 46887 394492

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6461 46887 394492

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 20055 394492×5

RPKI

Covered by a ROA authorizing AS394492 to originate 74.221.87.0/24 up to /24. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
74.221.87.0/24	/24	AS394492 USEI	ARIN

IRR

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

Route	Origin	Source	Description	Maintained by
74.221.87.0/24	AS394492 USEI	ALTDB	Proxy-registered route object for Semaphore Corporation	MAINT-AS3742
74.221.87.0/24	AS394492 USEI	ARIN	PO Box 430 Brewster WA 98812 United States	MNT-UE-14
74.221.80.0/21 covering	AS394492 USEI	ALTDB	Proxy-registered route object for Semaphore Corporation	MAINT-AS3742
74.221.80.0/20 covering	AS29727 ARCKANET	RADB	The American Way	MAINT-AS8001

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