NETAS

Any device whose MAC address begins with 00:09:C3 has a network interface built by NETAS. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:09:C3

Organization

NETAS

Address

Alemdag Cad. No 171 ISTANBUL TR 81244

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.