360 AI Technology Co.Ltd

Any device whose MAC address begins with B4:EF:1C has a network interface built by 360 AI Technology 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

B4:EF:1C

Organization

360 AI Technology Co.Ltd

Address

MTK Building B?No.6 Jiuxianqiao Road, Chaoyang District, Beijing, P.R.C. Beijing Beijing CN 100015

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.