ResearchRouting table, looking glass, RPKI & IRR

203.10.30.0/24 Microsoft Corporation

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

Summary

What the table says about 203.10.30.0/24

Prefix

Origin

AS8075 MICROSOFT-CORP-MSN-AS-BLOCK

RPKI

RPKI valid

Size

256 addresses

Less specific

none

More specifics

IRR route objects

1 exact, 2 covering

In RouteViews

2026-10-13 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 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 203.10.30.0/24 up to /24. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
203.10.30.0/24	/24	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK	APNIC
203.10.30.0/24	/24	AS24046 Perpetual-ap	APNIC

IRR

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

Route	Origin	Source	Description	Maintained by
203.10.30.0/24	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK	RADB	Microsoft ByoIp	MAINT-AS8075
203.10.24.0/21 covering	AS17477 MCT-SYDNEY	RADB	Proxy route object registered by AS2764	MAINT-AS2764
203.10.24.0/21 covering	AS24046 Perpetual-ap	RADB	Perpetual Trustees Australia Limited (142230)	MAINT-AS2764

Tools