Oki Electric Industry Co., Ltd.

Any device whose MAC address begins with 2C:FF:65 has a network interface built by Oki Electric Industry 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

2C:FF:65

Organization

Oki Electric Industry Co., Ltd.

Address

1-7-12 Toranomon Tokyo 105-8460 JP

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.