What this means
The IEEE assigned the MA-S block 8C1F64D14 to ANADOLU TRAFİK KONTROL SİS.TAŞ.SAN.VE TİC. LTD.ŞTİ. 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:1F:64:D1:4, it is ANADOLU TRAFİK KONTROL SİS.TAŞ.SAN.VE TİC. LTD.ŞTİ hardware.