SBM Co., Ltd.

Any device whose MAC address begins with BC:77:9F has a network interface built by SBM 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:77:9F

Organization

SBM Co., Ltd.

Address

Hyunwoo Bldg 206, Anyang7-Dong Anyang Gyeonggi-Do KR 430-817

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.