Digistar Telecom. SA

Any device whose MAC address begins with 40:BF:17 has a network interface built by Digistar Telecom. SA. 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:BF:17

Organization

Digistar Telecom. SA

Address

Av. Theodomiro Porto da Fonseca, 3101 Sao Leopoldo RS BR 9302080

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.