GEWISS S.P.A.

Any device whose MAC address begins with CC:34:D7 has a network interface built by GEWISS S.P.A.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

CC:34:D7

Organization

GEWISS S.P.A.

Address

VIA ALESSANDRO VOLTA 1 CENATE SOTTO IT 24069

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.