Minrray Industry Co.,Ltd

Any device whose MAC address begins with E4:77:D4 has a network interface built by Minrray Industry 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

E4:77:D4

Organization

Minrray Industry Co.,Ltd

Address

C5, Building 2, ZhongHaiXin ,Science&Technology Park, Ganli Rd, LiLang Blvd., Buji Shenzhen GuangDong CN 518112

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.