ResearchRouting table, looking glass, RPKI & IRR

144.57.48.0/21 SKANSKA USA INC

Announced by AS398642 SKANSKA USA INC. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 144.57.48.0/21

Prefix

Origin

AS398642 SKANSKA-USA-WEST

RPKI

RPKI valid

Size

2,048 addresses

Less specific

none

More specifics

IRR route objects

1 exact, 2 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 3356 398642

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 398642

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 3356 398642

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 3356 398642

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3356 398642

RPKI

Covered by a ROA authorizing AS398642 to originate 144.57.48.0/21 up to /21. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
144.57.48.0/21	/21	AS398642 SKANSKA-USA-WEST	RIPE

IRR

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

Route	Origin	Source	Description	Maintained by
144.57.48.0/21	AS398642 SKANSKA-USA-WEST	RIPE	Announced to AS3356 & AS6461	SKANSKA-MNT
144.57.32.0/19 covering	AS7029 WINDSTREAM	RADB	Proxy fbo Windstream Customer	MAINT-AS7029
144.57.32.0/19 covering	AS397695 SKANSKA-USA	RIPE	Announced to AS3356 & AS6461	SKANSKA-MNT

More specific

2 announced prefixes fall inside this one.

Show the 2 prefixes

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