Mikrosay Yazilim ve Elektronik A.S.

Any device whose MAC address begins with 28:0C:B8 has a network interface built by Mikrosay Yazilim ve Elektronik A.S.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

28:0C:B8

Organization

Mikrosay Yazilim ve Elektronik A.S.

Address

Cevizli Mah. Tansel Cad. Istanbul TR 34846

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.