ADVANCED COMPUTER COMM.

Any device whose MAC address begins with 08:00:03 has a network interface built by ADVANCED COMPUTER COMM.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

08:00:03

Organization

ADVANCED COMPUTER COMM.

Address

720 SANTA BARBARA ST. SANTA BARBARA CA US 93101

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.