KT Micro, Inc.

Any device whose MAC address begins with AC:10:65 has a network interface built by KT Micro, 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

AC:10:65

Organization

KT Micro, Inc.

Address

Building 76, National Cybersecurity Industry Park, Beiwucun Road 23, Haidian District, Beijing Beijing CN 100195

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.