Prescope Technologies CO.,LTD.

Any device whose MAC address begins with 80:66:29 has a network interface built by Prescope Technologies 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

80:66:29

Organization

Prescope Technologies CO.,LTD.

Address

12F-1,No.192,Sec 2,Chung Hsin Road Hsin Tien City Taipei County TW 23146

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.