Chou Chin Industrial Co., Ltd.

Any device whose MAC address begins with 00:07:66 has a network interface built by Chou Chin Industrial 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

00:07:66

Organization

Chou Chin Industrial Co., Ltd.

Address

9F, #35, Chiau An St. Chung Ho City, TW

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.