ShenZhen Microtest Automation Co.,Ltd

Any device whose MAC address begins with B0:34:FB has a network interface built by ShenZhen Microtest Automation 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

B0:34:FB

Organization

ShenZhen Microtest Automation Co.,Ltd

Address

1st Floor, No.2, Dongtang Industrial Park, Chuangxin Road, Shatou, Shajing, Bao'an District Shenzhen City Guangdong Province CN 518104

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.