Microsoft Corporation
Any device whose MAC address begins with 20:16:42 has a network interface built by Microsoft Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.
- OUI prefix
- 20:16:42
- Organization
- Microsoft Corporation
- Address
- One Microsoft Way REDMOND WA US 98052
- Source
- IEEE OUI registry
Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.