China Dragon Technology Limited

Any device whose MAC address begins with A0:67:20 has a network interface built by China Dragon 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

A0:67:20

Organization

China Dragon Technology Limited

Address

B4 Bldg.Haoshan 1st Industry Park, Shenzhen Guangdong CN 518104

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.