KINGJIM

Any device whose MAC address begins with 00:18:69 has a network interface built by KINGJIM. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:18:69

Organization

KINGJIM

Address

No.10-18,2-Chome Chiyoda-ku Tokyo JP 101-0031

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.