JOA TELECOM.CO.,LTD

Any device whose MAC address begins with 14:7D:B3 has a network interface built by JOA TELECOM.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

14:7D:B3

Organization

JOA TELECOM.CO.,LTD

Address

1007,Sicox tower,513-14,Sangdaewon-dong,Jungwon-gu Seongnam-si Gyeonggi-do KR 462-806

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.