Beijing Jinhong Xi-Dian Information Technology Corp.

Any device whose MAC address begins with 18:88:57 has a network interface built by Beijing Jinhong Xi-Dian Information Technology Corp.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

18:88:57

Organization

Beijing Jinhong Xi-Dian Information Technology Corp.

Address

4th -5th Floor, 1# Building NO.1 Zhonghe Road Beijing CN 100070

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.