Tsinghua Tongfang Legend Silicon Tech. Co., Ltd.

Any device whose MAC address begins with 00:16:3D has a network interface built by Tsinghua Tongfang Legend Silicon Tech. 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

00:16:3D

Organization

Tsinghua Tongfang Legend Silicon Tech. Co., Ltd.

Address

26F TSINGHUA TONGFANG HI-TECH PLAZA BEIJING CN 100083

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.