174.132.0.0/16 Microsoft Corporation
Announced by AS8075 Microsoft Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 174.132.0.0/16
Prefix
Origin
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-15 20:02 UTC
Paths
How 174.132.0.0/16 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 15h 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 2h 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 | 6h 36m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS8075 to originate 174.132.0.0/16 up to /16. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 174.132.0.0/16 | /16 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK | RIPE |
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 |
|---|---|---|---|---|
| 174.132.0.0/16 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK | RADB | MICROSOFT | MAINT-AS8075 |
| 174.132.0.0/15 covering | AS11172 AS11172 | RADB | auto-generated route object for 174.132.0.0/15 | MAINT-AS11172 |
| 174.132.0.0/15 covering | AS36351 SOFTLAYER | RADB | SOFTLAYER-4-15.15 | MAINT-AS36351 |
| 174.132.0.0/15 covering | AS36351 SOFTLAYER | REACH | REACH (Customer Route) | MAINT-REACH-NOC |