shenzhen phoenix telecom technology Co.,Ltd.

Any device whose MAC address begins with A8:21:C8 has a network interface built by shenzhen phoenix telecom 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

A8:21:C8

Organization

shenzhen phoenix telecom technology Co.,Ltd.

Address

Bldg A,Dedi Industrial Park,Jian'an Road,High-tech Development Zone,Fuhai Street,Bao'an District,Shenzhen,Guangdong,China shenzhen CN 518103

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.