Goyoo Networks Inc.

Any device whose MAC address begins with C8:A9:FC has a network interface built by Goyoo Networks Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

C8:A9:FC

Organization

Goyoo Networks Inc.

Address

Building D, Kelin Blocks, No.107, Dongsi North St, Beijing Beijing CN 100007

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.