EosTek (Shenzhen) Co., Ltd.

Any device whose MAC address begins with FC:23:25 has a network interface built by EosTek (Shenzhen) 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

FC:23:25

Organization

EosTek (Shenzhen) Co., Ltd.

Address

Room 306, Complex Building Tsinghua High-Tech Park Shenzhen Guangdong CN 518057

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.