Data as of Nov 6, 2026
Autonomous system
AS12076
Microsoft Corporation
Announces 2,560 addresses in 4 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 151.207.40.0/22 since Feb 2024 | Business | United States Patent and Trademark Office | |
| 151.207.44.0/22 since Feb 2024 | Business | United States Patent and Trademark Office | |
| 204.193.239.0/24 since Nov 5, 2026 | Business | U.S. Department of Commerce | |
| 204.193.240.0/24 since Nov 5, 2026 | Business | U.S. Department of Commerce |
Network & history
Profile
- Registered
- Mar 16, 1999
- Domain
- microsoft.com
- Industry
- Other
Routing patterns
How its announcements have moved
Arrivals