Shenzhen Decnta Technology Co.,LTD.

Any device whose MAC address begins with A4:17:91 has a network interface built by Shenzhen Decnta 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

A4:17:91

Organization

Shenzhen Decnta Technology Co.,LTD.

Address

F13,No.02,Building Shangqi,Nanhaidadao 4050 Nanshan District,Shenzhen,P.R.China 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.