OPTEX-FA CO.,LTD.

Any device whose MAC address begins with FC:F1:CD has a network interface built by OPTEX-FA CO.,LTD.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

FC:F1:CD

Organization

OPTEX-FA CO.,LTD.

Address

91 Awata-cho Kyoto JP 600-8815

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.