CeraMicro Technology Corporation

Any device whose MAC address begins with D0:59:C3 has a network interface built by CeraMicro Technology Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D0:59:C3

Organization

CeraMicro Technology Corporation

Address

4F, No. 16-1, Sec. 6, Mingcyuan East Road Taipei TW 114

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.