CKD Corporation

Any device whose MAC address begins with 3C:83:1E has a network interface built by CKD 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

3C:83:1E

Organization

CKD Corporation

Address

250, Ouji 2-Chome Komaki Aichi JP 485-8551

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.