Shenzhen SuperElectron Technology Co.,Ltd.

Any device whose MAC address begins with 40:22:30 has a network interface built by Shenzhen SuperElectron 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

40:22:30

Organization

Shenzhen SuperElectron Technology Co.,Ltd.

Address

1213-1214, haosheng business center, dongbin road, nanshan street, nanshan district, shenzhen city 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.