MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

Microsoft Corporation

OUI prefix: 28:18:78

Address:

One Microsoft Way
Redmond Washington 98052-6399
US.

Assignment Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Last updated: 17 November 2015

Initial registration: 16 January 2013