CC&C Technologies, Inc

Any device whose MAC address begins with 5C:F3:70 has a network interface built by CC&C Technologies, 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

5C:F3:70

Organization

CC&C Technologies, Inc

Address

8F, 150, Chien I Rd. Chung Ho Taiwan TW 235

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.