GIMASI SA

Any device whose MAC address begins with 78:AF:58 has a network interface built by GIMASI SA. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

78:AF:58

Organization

GIMASI SA

Address

Via Luigi Lavizzari 18 Mendrisio TI CH 6850

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.