Hosenso GmbH & Co. KG

Any device whose MAC address begins with 3C:F3:41 has a network interface built by Hosenso GmbH & Co. KG. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

3C:F3:41

Organization

Hosenso GmbH & Co. KG

Address

Robert-Bosch-Str. 9 Neu Wulmstorf DE 21629

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.