Mark of the Unicorn, Inc.

Any device whose MAC address begins with 00:01:F2 has a network interface built by Mark of the Unicorn, Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:01:F2

Organization

Mark of the Unicorn, Inc.

Address

1280 Massachusetts Ave. Cambridge MA US 02138

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.