AIJI System Co., Ltd.

Any device whose MAC address begins with 00:09:78 has a network interface built by AIJI System 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

00:09:78

Organization

AIJI System Co., Ltd.

Address

#208 Samho-Park-Tower Bldg. 1122-10, Ing Suwon Gyeonggi-do KR 442-835

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.