Beijing Langren Technology co., Ltd.

Any device whose MAC address begins with 80:AE:AD has a network interface built by Beijing Langren 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

80:AE:AD

Organization

Beijing Langren Technology co., Ltd.

Address

Building 15, Floor 1 to 2, Fangguyuan Community, Fengtai District, Beijing, China Beijing CN 100078

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.