ResearchRouting table, looking glass, RPKI & IRR

216.186.51.0/24 Highline School District

Announced by AS54436 Highline School District. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 216.186.51.0/24

Prefix

Origin

AS54436 HSD-WA-401

RPKI

RPKI valid

Size

256 addresses

Less specific

none

More specifics

IRR route objects

1 exact, 1 covering

In RouteViews

2026-10-15 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 174 101×2 10430×2 54436

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 101×2 10430×2 54436

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 101 10430×2 54436

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 101 10430×2 54436

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 101×2 10430×2 54436

RPKI

Covered by a ROA authorizing AS54436 to originate 216.186.51.0/24 up to /24. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
216.186.51.0/24	/24	AS54436 HSD-WA-401	ARIN
216.186.0.0/17	/24	AS10430 WA-K20	ARIN

IRR

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

Route	Origin	Source	Description	Maintained by
216.186.51.0/24	AS54436 HSD-WA-401	RADB	HIGHLINE-PUBLIC-SCHOOLS Highline Public Schools 15675 Ambaum Blvd SW Burien, WA 98166 USA	MAINT-AS73
216.186.0.0/17 covering	AS10430 WA-K20	RADB	WA-K20-BLK3 Washington State K-20 Telecommunications Network c/o University of Washington Networks and Distributed Computing 4545 15th Avenue NE Seattle WA 98105-4527 USA	MAINT-AS73

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