Beijing Huisen networks technology Inc

Any device whose MAC address begins with 00:19:75 has a network interface built by Beijing Huisen networks technology Inc. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:19:75

Organization

Beijing Huisen networks technology Inc

Address

Jia#2 of Xili of Baiyun road,Xicheng district Beijing CN 100045

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.