A-TEC Subsystem INC.

Any device whose MAC address begins with 00:16:67 has a network interface built by A-TEC Subsystem INC.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:16:67

Organization

A-TEC Subsystem INC.

Address

4F, No. 86, Chung-Hsing Road, Shijr City, TW 221

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.