Beijing Banner Electric Co.,Ltd

Any device whose MAC address begins with 5C:89:D4 has a network interface built by Beijing Banner Electric 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

5C:89:D4

Organization

Beijing Banner Electric Co.,Ltd

Address

Mail Box 1033,Long cheng Garden Chang Ping District beijing CN 102208

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.