HTTPfy

MAC prefix 00:03:FF

Assigned by the IEEE to Microsoft Corporation.

Prefix
00:03:FF   00-03-FF   0003.FF
Block type
MA-L (16,777,216 addresses)
Address range
00:03:FF:00:00:00 – 00:03:FF:FF:FF:FF
Organization
Microsoft Corporation
Registered address
1 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 00:03:FF:00:00:00

Microsoft Corporation holds 85 blocks in total: see all. Source: IEEE Registration Authority public listing.