What this means
The IEEE assigned the MA-M block 10DCB66 to Prolan Zrt.. 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 10:DC:B6:6, it is Prolan Zrt. hardware.
Frequently Asked Questions
Who owns MAC prefix 10DCB66?
10DCB66 is registered to Prolan Zrt. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Prolan Zrt.'s block covers 1,048,576 addresses.
What devices use 10DCB66?
Any network device with a MAC address starting 10:DC:B6:6 was manufactured by or for Prolan Zrt..