Yeonhab Precision Co.,LTD

Any device whose MAC address begins with E8:51:9D has a network interface built by Yeonhab Precision 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

E8:51:9D

Organization

Yeonhab Precision Co.,LTD

Address

219-27, Haksusosa-Gil, Mokcheon-Eup Cheonan Chungcheongnamdo KR 330-844

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.