UTT Technologies Co., Ltd.

Any device whose MAC address begins with FC:2F:EF has a network interface built by UTT Technologies 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:2F:EF

Organization

UTT Technologies Co., Ltd.

Address

Room 301, Building 9, No. 518 Xinzhuan Shanghai Shanghai CN 201612

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.