Dewar Electronics Pty Ltd

Any device whose MAC address begins with 3C:30:0C has a network interface built by Dewar Electronics Pty Ltd. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

3C:30:0C

Organization

Dewar Electronics Pty Ltd

Address

32 Taylors Road Croydon Victoria AU 3136

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.