Anhui Huami Information Technology Company Limited

Any device whose MAC address begins with D8:80:3C has a network interface built by Anhui Huami Information Technology Company Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D8:80:3C

Organization

Anhui Huami Information Technology Company Limited

Address

Building A4, 12th Floor, No. 800, Wangjiang Road Hefei Anhui CN 230088

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.