Musilab Electronics (DongGuan)Co.,Ltd.

Any device whose MAC address begins with 78:99:66 has a network interface built by Musilab Electronics (DongGuan)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

78:99:66

Organization

Musilab Electronics (DongGuan)Co.,Ltd.

Address

A2, LinDong 3 Road, LinCun DongGuan Guangdong CN 523710

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.