Prefix
51.4.0.0/15
Routing
Announcement
- Announced by
- AS8075 MICROSOFT-CORP-MSN-AS-BLOCK
- Network type
- Hosting
- Covering announcement
- 51.4.0.0/15
- Country
- 🇺🇸 United States of America
Registration
Allocation record
- Registry
- RIPE
- Handle
51.4.0.0 - 51.5.255.255- Network name
- MICROSOFT
- Type
- LEGACY
- Country
- DE
- Range
- 51.4.0.0 – 51.5.255.255
- Parent
0.0.0.0 - 255.255.255.255- Organisation
- MICROSOFT-MAINT
- Abuse contact
- abuse@microsoft.com
- Registered
- 2015-05-21
- Last changed
- 2025-08-11