Microsoft

Any device whose MAC address begins with 60:45:BD has a network interface built by Microsoft. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

60:45:BD

Organization

Microsoft

Address

1 Microsoft Way Redmond Washington 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.