Hunan Greatwall Computer System Co., Ltd.

Any device whose MAC address begins with 50:58:B0 has a network interface built by Hunan Greatwall Computer System 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

50:58:B0

Organization

Hunan Greatwall Computer System Co., Ltd.

Address

Hunan GreatWall Industrial Park, Tianyi Science and Technology City, Xiangyun Middle Road, Tianyuan District Zhuzhou Hunan CN 412000

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.