51.54.0.0/15 Microsoft Corporation
Announced by AS8070 Microsoft Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 51.54.0.0/15
Prefix
Origin
AS8070 MICROSOFT-CORP-MSN-AS-BLOCK
RPKI
RPKI valid
Size
131,072 addresses
Less specific
none
More specifics
0
IRR route objects
0 exact, 0 covering
In RouteViews
2026-10-15 00:02 UTC
Paths
How 51.54.0.0/15 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 174 8075 8070
| Origin | AS8070 Microsoft Corporation |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 21h 18m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 8075 8070
| Origin | AS8070 Microsoft Corporation |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 7h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 8075 8070
| Origin | AS8070 Microsoft Corporation |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 7h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS8070 to originate 51.54.0.0/15 up to /15. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 51.54.0.0/15 | /15 | AS8070 MICROSOFT-CORP-MSN-AS-BLOCK | RIPE |