Double-Win Enterpirse CO., LTD

Any device whose MAC address begins with 00:09:3F has a network interface built by Double-Win Enterpirse 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

00:09:3F

Organization

Double-Win Enterpirse CO., LTD

Address

NO.300, Sec 1, Chung Feng Rd. Ping Chen City Taoyuan Hsien TW 324

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.