E-TRON Co.,Ltd.

Any device whose MAC address begins with 7C:18:CD has a network interface built by E-TRON 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

7C:18:CD

Organization

E-TRON Co.,Ltd.

Address

66-11, Nonhyeon 2-dong, Gangnam-gu Seoul KR 06049

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.