Guang zhou Xradio Technology Co., Ltd

Any device whose MAC address begins with 64:21:FD has a network interface built by Guang zhou Xradio 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

64:21:FD

Organization

Guang zhou Xradio Technology Co., Ltd

Address

Room 405 ,BuildingB, No. 18 Science Avenue, Guangzhou Science City Guangzhou Guangdong CN 510700

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.