ResearchRouting table, looking glass, RPKI & IRR

206.187.28.0/22 Microsoft Corporation

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

Summary

What the table says about 206.187.28.0/22

Prefix
206.187.28.0/22
Origin
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
5 exact, 0 covering
In RouteViews
2026-10-13 12:02 UTC
Paths

How 206.187.28.0/22 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
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated5d 10h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities903:900 903:13760
Updated5d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities36295:100
Updated5d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communitiesnone
Updated5d 18h 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
Updated9d 11h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS8075 to originate 206.187.28.0/22 up to /22. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
206.187.28.0/22/22AS1746 SIRSIDYNIXASARIN
206.187.28.0/22/22AS8075 MICROSOFT-CORP-MSN-AS-BLOCKARIN
206.187.28.0/22/22AS29909 METROOPTICARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
206.187.28.0/22AS1746 SIRSIDYNIXASARINSirsidynix 3300 N ASHTON BLVD STE 500 LEHI UT 84043 United StatesMNT-SC-2233
206.187.28.0/22AS8075 MICROSOFT-CORP-MSN-AS-BLOCKARINSirsiDynix 3300 N ASHTON BLVD STE 500 LEHI UT 84043 United StatesMNT-SC-2233
206.187.28.0/22AS29909 METROOPTICARINSirsidynix 3300 N ASHTON BLVD STE 500 LEHI UT 84043 United StatesMNT-SC-2233
206.187.28.0/22AS1746 SIRSIDYNIXASRADBSirsidynix-Block-MTL2MAINT-AS1746
206.187.28.0/22AS8075 MICROSOFT-CORP-MSN-AS-BLOCKRADBMicrosoft ByoIpMAINT-AS8075
Tools

Check 206.187.28.0/22 live

Looking glassIP to ASN APIRPKI APIIRR API