MainStreaming SpA

Any device whose MAC address begins with 6C:76:F7 has a network interface built by MainStreaming SpA. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

6C:76:F7

Organization

MainStreaming SpA

Address

Viale Sarca, 336/F Milan MI IT 20126

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.