Beijing Venustech Cybervision Co.,Ltd.

Any device whose MAC address begins with 04:46:CF has a network interface built by Beijing Venustech Cybervision 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

04:46:CF

Organization

Beijing Venustech Cybervision Co.,Ltd.

Address

Venus Plaza No.21Zhongguancun Software Park,No.8 Dongbeiwang Xilu, Haidian District Beijing Beijing CN 100193

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.