Beijing Wanwei Intelligent Technology Co., Ltd.

Any device whose MAC address begins with A8:90:42 has a network interface built by Beijing Wanwei Intelligent 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

A8:90:42

Organization

Beijing Wanwei Intelligent Technology Co., Ltd.

Address

Room 616, Section 1, Cuicing, No. 1 Shanyuan Street, Haidian District Beijing Beijing CN 100000

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.