ResearchRouting table, looking glass, RPKI & IRR

2a01:111:4000::/36 Microsoft Corporation

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

Summary

What the table says about 2a01:111:4000::/36

Prefix
2a01:111:4000::/36
Origin
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK
RPKI
RPKI valid
Size
268,435,456 /64s
Less specific
2a01:111::/32 AS8075 MICROSOFT-CORP-MSN-AS-BLOCK
More specifics
1
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-12 20:06 UTC
Paths

How 2a01:111:4000::/36 is reached

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
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities13760:3000 36601:150 36601:2001
Updated4d 18h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities903:13760
Updated5d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities36295:100
Updated5d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communitiesnone
Updated5d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 20h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS8075 to originate 2a01:111:4000::/36 up to /36. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
2a01:111:4000::/36/36AS8075 MICROSOFT-CORP-MSN-AS-BLOCKRIPE
2a01:111::/32/32AS8075 MICROSOFT-CORP-MSN-AS-BLOCKRIPE
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
2a01:111:4000::/36AS8075 MICROSOFT-CORP-MSN-AS-BLOCKRADBMicrosoft V6MAINT-AS8075
2a01:111:4000::/36AS8075 MICROSOFT-CORP-MSN-AS-BLOCKRIPEMicrosoftMICROSOFT-MAINT
2a01:111::/32 coveringAS8075 MICROSOFT-CORP-MSN-AS-BLOCKRADBMICROSOFTMAINT-AS8075
2a01:111::/32 coveringAS8075 MICROSOFT-CORP-MSN-AS-BLOCKRIPEMicrosoftMICROSOFT-MAINT
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

2a01:111::/32 AS8075 MICROSOFT-CORP-MSN-AS-BLOCK
More specific

Prefixes inside 2a01:111:4000::/36

1 announced prefix fall inside this one.

Show the 1 prefixes
2a01:111:4004::/48 AS8075 MICROSOFT-CORP-MSN-AS-BLOCK
Tools

Check 2a01:111:4000::/36 live

Looking glassIP to ASN APIRPKI APIIRR API