FreeBit Co., Ltd.

Any device whose MAC address begins with F4:CA:24 has a network interface built by FreeBit 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

F4:CA:24

Organization

FreeBit Co., Ltd.

Address

E.Space Tower 3-6 Maruyama-Cho Shibuya-ku Tokyo JP 150-0044

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.