DAEHO I&T

Any device whose MAC address begins with B4:B2:65 has a network interface built by DAEHO I&T. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B4:B2:65

Organization

DAEHO I&T

Address

211, Jayumuyeok 3-gil, MasanHoewon-gu Changwon-si Gyeongsangnam-do KR 630-812

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.