GIGA-BYTE TECHNOLOGY CO.,LTD.

Any device whose MAC address begins with 1C:6F:65 has a network interface built by GIGA-BYTE TECHNOLOGY 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

1C:6F:65

Organization

GIGA-BYTE TECHNOLOGY CO.,LTD.

Address

Pin-Jen City, Taoyuan, Taiwan, R.O.C. Pin-Jen Taoyuan TW 324

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.