Guangzhou Robustel Technologies Co., Limited

Any device whose MAC address begins with 34:FA:40 has a network interface built by Guangzhou Robustel Technologies Co., Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

34:FA:40

Organization

Guangzhou Robustel Technologies Co., Limited

Address

B301, Tianchang Shangmaoyuan Guangzhou Guangdong CN 510660

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.