ResearchRouting table, looking glass, RPKI & IRR

131.253.33.0/24 Microsoft Corporation

Announced by AS8068 Microsoft Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 131.253.33.0/24

Origin
AS8068 MICROSOFT-CORP-MSN-AS-BLOCK
RPKI
RPKI valid
Size
256 addresses
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-13 08:02 UTC

How 131.253.33.0/24 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 8068
OriginAS8068 Microsoft Corporation
Origin codeIGP
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated5d 8h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 8075 8068
OriginAS8068 Microsoft Corporation
Origin codeIGP
Communities903:900 903:13760
Updated5d 17h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 8075 8068
OriginAS8068 Microsoft Corporation
Origin codeIGP
Communities36295:100
Updated5d 16h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 8075 8068
OriginAS8068 Microsoft Corporation
Origin codeIGP
Communities174:21001 174:22013
Updated5d 17h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 8075 8068
OriginAS8068 Microsoft Corporation
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated9d 10h ago

Route origin authorizations

Covered by a ROA authorizing AS8068 to originate 131.253.33.0/24 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
131.253.33.0/24/24AS8068 MICROSOFT-CORP-MSN-AS-BLOCKARIN
131.253.32.0/20/20AS8075 MICROSOFT-CORP-MSN-AS-BLOCKARIN

Route objects

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

RouteOriginSourceDescriptionMaintained by
131.253.33.0/24AS8068 MICROSOFT-CORP-MSN-AS-BLOCKRADBMicrosoft EdgeMAINT-AS8075
131.253.32.0/20 coveringAS8075 MICROSOFT-CORP-MSN-AS-BLOCKRADBMICROSOFTMAINT-AS8075

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 131.253.33.0/24 live