TONGQING COMMUNICATION EQUIPMENT (SHENZHEN) Co.,Ltd

Any device whose MAC address begins with 80:81:A5 has a network interface built by TONGQING COMMUNICATION EQUIPMENT (SHENZHEN) 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

80:81:A5

Organization

TONGQING COMMUNICATION EQUIPMENT (SHENZHEN) Co.,Ltd

Address

Tongqing Industry Park,jiuwei,xixiang Town,Baoan District, Shenzhen Guangdong CN 518126

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.