Automatic Systems

Any device whose MAC address begins with C0:C3:B6 has a network interface built by Automatic Systems. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

C0:C3:B6

Organization

Automatic Systems

Address

avenue mercator,5 Wavre Belgium BE 1300

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.