Shenzhen Taichi Technology Limited

Any device whose MAC address begins with A4:AB:39 has a network interface built by Shenzhen Taichi Technology Limited. 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:AB:39

Organization

Shenzhen Taichi Technology Limited

Address

A1710, Nanshan Cloud Technology Building, Vanke Cloud City, Liuxin Third Street, Xili Community, Xili Street, Nanshan District, Shenzhen Guangdong Province 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.