Instituto Nacional de Tecnología Industrial

Any device whose MAC address begins with 78:EB:39 has a network interface built by Instituto Nacional de Tecnología Industrial. 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:EB:39

Organization

Instituto Nacional de Tecnología Industrial

Address

Av. Gral. Paz 5445 San Martín Buenos Aires AR 1650

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.