PROMATE ELECTRONIC CO.LTD

Any device whose MAC address begins with 2C:5A:A3 has a network interface built by PROMATE ELECTRONIC 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

2C:5A:A3

Organization

PROMATE ELECTRONIC CO.LTD

Address

4F 32,SEC.1 HUAN SHAN RD.,NEI HU, 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.