BKAV Corporation

Any device whose MAC address begins with D4:D2:E5 has a network interface built by BKAV Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D4:D2:E5

Organization

BKAV Corporation

Address

2nd floor - HH1 Building - Yen Hoa Urban Area, Yen Hoa Ward, Cau Giay District HaNoi VN 100000

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.