II-VI Incorporated

Any device whose MAC address begins with C4:EE:F5 has a network interface built by II-VI Incorporated. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

C4:EE:F5

Organization

II-VI Incorporated

Address

Network Solutions,343 Daniel Zenker Dr., Suite 102 Horseheads NY US 14845

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.