ResearchRouting table, looking glass, RPKI & IRR

185.9.141.0/24 Microsoft Corporation

Announced by AS8075 Microsoft Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 185.9.141.0/24

Prefix

Origin

AS8075 MICROSOFT-CORP-MSN-AS-BLOCK

RPKI

RPKI valid

Size

256 addresses

Less specific

More specifics

IRR route objects

2 exact, 1 covering

In RouteViews

2026-10-14 12:02 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 8075

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 8075

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 8075

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 8075

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 8075

RPKI

Covered by a ROA authorizing AS8075 to originate 185.9.141.0/24 up to /24. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
185.9.141.0/24	/24	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK	RIPE
185.9.140.0/22	/22	AS202892 bestseller	RIPE

IRR

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

Route	Origin	Source	Description	Maintained by
185.9.141.0/24	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK	RADB	Microsoft ByoIp	MAINT-AS8075
185.9.141.0/24	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK	RIPE	N	BESTSELLER-JIV-MNT, BESTSELLER-ROL-NET-MNT
185.9.140.0/22 covering	AS202892 bestseller	RIPE	N	BESTSELLER-JS-MNT, MNT-BSNET

Less specific

Announced prefixes that contain this one, most specific first.

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