IEC - TC57

Any device whose MAC address begins with 00:0C:CD has a network interface built by IEC - TC57. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0C:CD

Organization

IEC - TC57

Address

3, rue de Varembé Geneva GE CH 1211

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.