- Prefix
- 1C:1A:DF 1C-1A-DF 1C1A.DF
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 1C:1A:DF:00:00:00 – 1C:1A:DF: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 1C:1A:DF:00:00:00
Microsoft Corporation holds 85 blocks in total: see all. Source: IEEE Registration Authority public listing.