Communication Machinery Corporation

Any device whose MAC address begins with 02:CF:1C has a network interface built by Communication Machinery Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

02:CF:1C

Organization

Communication Machinery Corporation

Address

1226 ANACAPA 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.