Shenzhen H&T Intelligent Control Co.,Ltd.

Any device whose MAC address begins with 40:5E:E1 has a network interface built by Shenzhen H&T Intelligent Control 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

40:5E:E1

Organization

Shenzhen H&T Intelligent Control Co.,Ltd.

Address

D-Zone,10/F,Shenzhen Academy of Aerospace Technology,Hi-Tech Park at Nanshan District,Shenzhen,China Shenzhen 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.