Qiku Internet Network Scientific (Shenzhen) Co., Ltd.

Any device whose MAC address begins with 74:AC:5F has a network interface built by Qiku Internet Network Scientific (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

74:AC:5F

Organization

Qiku Internet Network Scientific (Shenzhen) Co., Ltd.

Address

Cyber Harbor, 2nd Mengxi Road, Hi-Tech Industrial Park (North), NanShan District ShenZhen GuangDong CN 518000

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.