WIZITDONGDO

Any device whose MAC address begins with B0:BF:99 has a network interface built by WIZITDONGDO. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B0:BF:99

Organization

WIZITDONGDO

Address

2F, 299-1, 3-DONG, SUNGSU 2-GA SEOUL KR 133-833

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.