Huizhou Speed Wireless Technology Co.,Ltd

Any device whose MAC address begins with A4:C2:3E has a network interface built by Huizhou Speed Wireless 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

A4:C2:3E

Organization

Huizhou Speed Wireless Technology Co.,Ltd

Address

138 Huize Avenue, Shangxia District Dongjiang Hi tech Industrial Park, Shuikou Huizhou, Guangdong CN 516000

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.