IMBEL - Industria de Material Belico do Brasil

Any device whose MAC address begins with 40:78:75 has a network interface built by IMBEL - Industria de Material Belico do Brasil. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

40:78:75

Organization

IMBEL - Industria de Material Belico do Brasil

Address

Rua Monsenhor Manoel Gomes, 520 Rio de Janeiro RJ BR 20931-670

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.