129.101.220.0/24 Microsoft Corporation
Announced by AS8075 Microsoft Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 129.101.220.0/24
Prefix
Origin
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-16 00:02 UTC
Paths
How 129.101.220.0/24 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 174 8075
| Origin | AS8075 Microsoft Corporation |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 1d 22h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 8075
| Origin | AS8075 Microsoft Corporation |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 9h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 8075
| Origin | AS8075 Microsoft Corporation |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 13h 38m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS8075 to originate 129.101.220.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 129.101.220.0/24 | /24 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK | ARIN |
| 129.101.128.0/17 | /17 | AS11808 UIDAHO | ARIN |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 129.101.220.0/24 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK | ARIN | University of Idaho | MNT-UNIVER-258-Z |
| 129.101.220.0/24 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK | RADB | Microsoft ByoIp | MAINT-AS8075 |
| 129.101.128.0/17 covering | AS11808 UIDAHO | ARIN | University of Idaho | MNT-UNIVER-258-Z |
| 129.101.128.0/17 covering | AS11808 UIDAHO | RADB | UIDAHO network | MAINT-AS11808 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.