He Shan World Fair Electronics Technology Limited

Any device whose MAC address begins with 50:70:E5 has a network interface built by He Shan World Fair Electronics Technology 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

50:70:E5

Organization

He Shan World Fair Electronics Technology Limited

Address

New Material Base, Gonghe Town Jiangmen Guangdong CN 529728

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.