IC Nexus Co. Ltd.

Any device whose MAC address begins with F8:5C:45 has a network interface built by IC Nexus 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

F8:5C:45

Organization

IC Nexus Co. Ltd.

Address

6F-1, No.3-2 Park Street Taipei TW 115

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.