MAC Address Lookup

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

Microsoft Corporation

MAC prefix: A0:4A:5E

MAC range: A0:4A:5E:00:00:00 - A0:4A:5E:FF:FF:FF

Block Size: 16777215 (16.77 M)

Address:

One Microsoft Way
REDMOND WA 98052
US.

Type MA-L

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

Initial registration: 15 January 2021