Famar Fueguina S.A.

Any device whose MAC address begins with 00:19:B5 has a network interface built by Famar Fueguina S.A.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:19:B5

Organization

Famar Fueguina S.A.

Address

Rodney 70 Buenos Aires AR 1427

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.