NKE Corporation

Any device whose MAC address begins with 00:0C:9F has a network interface built by NKE 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

00:0C:9F

Organization

NKE Corporation

Address

366-1 Hishikawa-cho Hazukashi Fushimi-ku Kyoto-shi Kyoto JP 612-8487

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.