ResearchRouting table, looking glass, RPKI & IRR

199.243.153.0/24 I.S.F Quebec, Inc

Announced by AS40895 I.S.F Quebec, Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 199.243.153.0/24

Prefix

Origin

AS40895 ISF-QUEBEC

RPKI

RPKI valid

Size

256 addresses

Less specific

More specifics

IRR route objects

1 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 174 577 40895

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 577 40895

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 577 40895

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 577 40895

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 577 40895

RPKI

Covered by a ROA authorizing AS40895 to originate 199.243.153.0/24 up to /24. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
199.243.153.0/24	/24	AS40895 ISF-QUEBEC	ARIN
199.243.128.0/18	/18	AS577 BACOM	ARIN
199.243.0.0/16	/16	AS577 BACOM	ARIN

IRR

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

Route	Origin	Source	Description	Maintained by
199.243.153.0/24	AS40895 ISF-QUEBEC	BELL	Proxy-registered for ISF Quebec	BELL-RC
199.243.128.0/18 covering	AS577 BACOM	BELL	BELLNEXXIA-10	BELL-RC
199.243.0.0/16 covering	AS577 BACOM	BELL	Bell Canada	BELL-RC

Less specific

Announced prefixes that contain this one, most specific first.

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