Systemhouse Solutions AB

Any device whose MAC address begins with 58:FD:20 has a network interface built by Systemhouse Solutions AB. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

58:FD:20

Organization

Systemhouse Solutions AB

Address

Mikrofonvagen 28 STOCKHOLM SE 126 81

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.