MAC Address Lookup

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

 MAC

Microsoft Corporation

OUI prefix: 38:56:3D

Vendor name: Microsoft Corporation

Address:

One Microsoft Way
REDMOND WA 98052
US.

Assignment Type MA-L

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

Initial registration: 27 July 2021

MAC Address Vendor Country US map