- Prefix
- B8:31:B5 B8-31-B5 B831.B5
- Block type
- MA-L (16,777,216 addresses)
- Address range
- B8:31:B5:00:00:00 – B8:31:B5:FF:FF:FF
- Organization
- Microsoft Corporation
- Registered address
- One Microsoft Way, REDMOND WA 98052, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up B8:31:B5:00:00:00
Microsoft Corporation holds 85 blocks in total: see all. Source: IEEE Registration Authority public listing.