Treetech Sistemas Digitais

Any device whose MAC address begins with 14:1A:51 has a network interface built by Treetech Sistemas Digitais. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

14:1A:51

Organization

Treetech Sistemas Digitais

Address

Praca Claudino Alves, 141 Atibaia São Paulo BR 12940-800

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.