Chongqing Sichuan Instrument Microcircuit Co.LTD.

Any device whose MAC address begins with 80:7D:E3 has a network interface built by Chongqing Sichuan Instrument Microcircuit 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

80:7D:E3

Organization

Chongqing Sichuan Instrument Microcircuit Co.LTD.

Address

Jinhua Road No.309, Beibei, Chongqing CN 400700

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.