Umpi srl

Any device whose MAC address begins with B4:C8:10 has a network interface built by Umpi srl. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B4:C8:10

Organization

Umpi srl

Address

Via Consolare Rimini-San Marino, 11 Rimini IT 47923

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.