SOAM Systel

Any device whose MAC address begins with 00:23:71 has a network interface built by SOAM Systel. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:23:71

Organization

SOAM Systel

Address

182-13, Daerung Post Tower II, 1504 Seoul Guro-dong, Guro-gu KR 152-847

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.