POSITRON

Any device whose MAC address begins with 00:1F:38 has a network interface built by POSITRON. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1F:38

Organization

POSITRON

Address

ESTRADA TELEBRAS-UNICAMP, KM0,97 - CJ.01 CAMPINAS São Paulo BR 13084-971

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.