What this means
The IEEE assigned the MA-L block 00256C to "Azimut" Production Association JSC. 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 00:25:6C, it is "Azimut" Production Association JSC hardware.
Frequently Asked Questions
Who owns MAC prefix 00256C?
00256C is registered to "Azimut" Production Association JSC in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. "Azimut" Production Association JSC's block covers 16,777,216 addresses.
What devices use 00256C?
Any network device with a MAC address starting 00:25:6C was manufactured by or for "Azimut" Production Association JSC.