GENERAL MAGIC, INC.

Any device whose MAC address begins with 00:20:66 has a network interface built by GENERAL MAGIC, 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

00:20:66

Organization

GENERAL MAGIC, INC.

Address

2465 LATHAM STREET MOUNTAIN VIEW CA US 94040

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.