EDISTEC

Any device whose MAC address begins with 54:5D:D9 has a network interface built by EDISTEC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

54:5D:D9

Organization

EDISTEC

Address

Rm 1701, Gasan SKV1 Center, 171, Gasan digital 1-ro, Geumcheon-gu, Seoul Seoul Seoul KR 08503

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.