Shenzhen Siviton Technology Co.,Ltd

Any device whose MAC address begins with 40:E7:93 has a network interface built by Shenzhen Siviton 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:E7:93

Organization

Shenzhen Siviton Technology Co.,Ltd

Address

4F,Block6,Coolpad Business Centre,North of Keyuan Road,Hi-technology Zone,Nanshan District Shenzhen Guangdong CN 518057

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.