A&D ENGINEERING CO., LTD.

Any device whose MAC address begins with 8C:53:F7 has a network interface built by A&D ENGINEERING 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

8C:53:F7

Organization

A&D ENGINEERING CO., LTD.

Address

336-6 Dangsandong 6-ga, Yeongdeungpo-gu Seoul KR 150-810

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.