Control Concepts, Inc.

Any device whose MAC address begins with 7C:7B:8B has a network interface built by Control Concepts, Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

7C:7B:8B

Organization

Control Concepts, Inc.

Address

18760 Lake Dr. East Chanhassen MN US 55317

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.