HDPRO CO., LTD.

Any device whose MAC address begins with D4:88:3F has a network interface built by HDPRO 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

D4:88:3F

Organization

HDPRO CO., LTD.

Address

HDPRO Bldg. 23, 362 Beon-gil, Shinheung-ro, Ojeong-gu Bucheon-City Gyunggi-Do KR 14491

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.