Shenzhen Ruiyuanchuangxin Technology Co.,Ltd.

Any device whose MAC address begins with B8:70:29 has a network interface built by Shenzhen Ruiyuanchuangxin 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

B8:70:29

Organization

Shenzhen Ruiyuanchuangxin Technology Co.,Ltd.

Address

Unit 512, 5th Floor, Building A, Rongfeng Center, Rongdechang Technology Building,Xiangjiaotang Community, Bantian Street, Longgang District, Shenzhen Guangdong CN 518116

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.