- Prefix
- 20:A9:9B 20-A9-9B 20A9.9B
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 20:A9:9B:00:00:00 – 20:A9:9B:FF:FF:FF
- Organization
- Microsoft Corporation
- Registered address
- 1 Microsoft Way, Redmond Washington 98052, FI
- Country
- Finland (FI)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 20:A9:9B:00:00:00
Microsoft Corporation holds 85 blocks in total: see all. Source: IEEE Registration Authority public listing.