What this means
The IEEE assigned the MA-M block 8CA6829 to Barkodes Bilgisayar Sistemleri Bilgi Iletisim ve Y. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 8C:A6:82:9, it is Barkodes Bilgisayar Sistemleri Bilgi Iletisim ve Y hardware.