Tianjin HuaLai Technology CO., Ltd.

Any device whose MAC address begins with 18:50:73 has a network interface built by Tianjin HuaLai Technology 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

18:50:73

Organization

Tianjin HuaLai Technology CO., Ltd.

Address

2301, Building 5, Tianjin Science and Technology Plaza, (Tiankai Park) , Kexue East Road Nankai District Tianjin CN 300000

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.