What this means
The IEEE assigned the MA-S block 8C1F64CDB to EUROPEAN TELECOMMUNICATION INTERNATIONAL KFT. 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:CD:B, it is EUROPEAN TELECOMMUNICATION INTERNATIONAL KFT hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F64CDB?
8C1F64CDB is registered to EUROPEAN TELECOMMUNICATION INTERNATIONAL KFT in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. EUROPEAN TELECOMMUNICATION INTERNATIONAL KFT's block covers 4,096 addresses.
What devices use 8C1F64CDB?
Any network device with a MAC address starting 8C:1F:64:CD:B was manufactured by or for EUROPEAN TELECOMMUNICATION INTERNATIONAL KFT.