137.132.49.0/24 Microsoft Corporation
Announced by AS8075 Microsoft Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 137.132.49.0/24
Prefix
Origin
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 3 covering
In RouteViews
2026-10-16 12:01 UTC
Paths
How 137.132.49.0/24 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 | 2d 9h 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 20h 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 | 1d 0h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS8075 to originate 137.132.49.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 137.132.49.0/24 | /24 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK | APNIC |
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 |
|---|---|---|---|---|
| 137.132.49.0/24 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK | APNIC | National University of Singapore 2 Engineering Drive 4 | MAINT-NUS-AP |
| 137.132.49.0/24 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK | RADB | Microsoft ByoIp | MAINT-AS8075 |
| 137.132.0.0/17 covering | AS7472 NUS-AS-AP | RADB | National University of Singapore | MAINT-AS3856 |
| 137.132.0.0/16 covering | AS7472 NUS-AS-AP | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
| 137.132.0.0/16 covering | AS4657 STARHUB-INTERNET | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.