I.C.Y. B.V.

Any device whose MAC address begins with 2C:97:17 has a network interface built by I.C.Y. B.V.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

2C:97:17

Organization

I.C.Y. B.V.

Address

Houtsaachmole 35 Lemmer Friesland NL 8531 WC

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.