What this means
The IEEE assigned the MA-L block 00256A to inIT - Institut Industrial IT. 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 00:25:6A, it is inIT - Institut Industrial IT hardware.
Frequently Asked Questions
Who owns MAC prefix 00256A?
00256A is registered to inIT - Institut Industrial IT 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. inIT - Institut Industrial IT's block covers 16,777,216 addresses.
What devices use 00256A?
Any network device with a MAC address starting 00:25:6A was manufactured by or for inIT - Institut Industrial IT.