Nanchang BlackShark Co.,Ltd.

Any device whose MAC address begins with 04:33:85 has a network interface built by Nanchang BlackShark 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

04:33:85

Organization

Nanchang BlackShark Co.,Ltd.

Address

Room 319, Jiaoqiao Town Office Building, Economic and Technical development zone, Nanchang City, Jiangxi Province. Nanchang CN 330013

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.