CSUN System Technology Co.,LTD

Any device whose MAC address begins with BC:39:A6 has a network interface built by CSUN System 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

BC:39:A6

Organization

CSUN System Technology Co.,LTD

Address

4-16-22,Chiyogaoka Kawasaki-shi Kanagawa Ken JP 2150005

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.