GTAI

Any device whose MAC address begins with 34:87:FB has a network interface built by GTAI. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

34:87:FB

Organization

GTAI

Address

Room 208, Building B11, Yantian Industrial Zone, Yantian Community, Xixiang Street, Bao 'an District, Shenzhen Guangdong CN 518102

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.