Beijing gpthink technology co.,LTD.

Any device whose MAC address begins with BC:45:48 has a network interface built by Beijing gpthink 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:45:48

Organization

Beijing gpthink technology co.,LTD.

Address

Building 6-4, Jinke Lane, Industrial Zone, Daxing District, Beijing Beijing CN 102627

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.