KT&C Co., Ltd.

Any device whose MAC address begins with 00:15:DC has a network interface built by KT&C 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

00:15:DC

Organization

KT&C Co., Ltd.

Address

487-4, KT&C Bldg. GangSeo-Ku Seoul KR 157-849

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.