Beijing Huahuan Eletronics Co.,Ltd

Any device whose MAC address begins with 00:1D:80 has a network interface built by Beijing Huahuan Eletronics 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

00:1D:80

Organization

Beijing Huahuan Eletronics Co.,Ltd

Address

No.26,Shangdi 6th St.Haidian District, Beijing CN 100085

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.