Airpro Technology Ltd

Any device whose MAC address begins with A4:D9:C6 has a network interface built by Airpro Technology 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:D9:C6

Organization

Airpro Technology Ltd

Address

824 Shepherd Place Milton ON CA L9T6L8

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.