Aztech Associates Inc.

Any device whose MAC address begins with 18:20:12 has a network interface built by Aztech Associates 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

18:20:12

Organization

Aztech Associates Inc.

Address

805 Bayridge Dr. Kingston Ontario CA K7P1T5

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.