KMDATA INC.

Any device whose MAC address begins with 98:5B:B0 has a network interface built by KMDATA INC.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

98:5B:B0

Organization

KMDATA INC.

Address

505-2, Daeryung Techno Town 1cha, 18, Gasan Digital 2-ro, Geumcheon-gu Seoul KR 153771

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.