Supreme Magic Corporation

Any device whose MAC address begins with 00:05:2C has a network interface built by Supreme Magic 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

00:05:2C

Organization

Supreme Magic Corporation

Address

Sun Towers Center Bldg., 13F JP 154-0024

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.