Optek Digital Technology company limited

Any device whose MAC address begins with 94:9F:3F has a network interface built by Optek Digital Technology company limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

94:9F:3F

Organization

Optek Digital Technology company limited

Address

Room508 Build A, Shennan Garden, Shenzhen Science and Industry Park, Nanshan Shenzhen GuangDong CN 518057

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.