GooWi Wireless Technology Co., Limited

Any device whose MAC address begins with B4:84:D5 has a network interface built by GooWi Wireless Technology Co., 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

B4:84:D5

Organization

GooWi Wireless Technology Co., Limited

Address

RM1601,Crative BuildingII East Tianan City Futian Shenzhen Guangdong CN 518000

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.