What this means
The IEEE assigned the MA-L block 0020AC to INTERFLEX DATENSYSTEME GMBH. 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 00:20:AC, it is INTERFLEX DATENSYSTEME GMBH hardware.
Frequently Asked Questions
Who owns MAC prefix 0020AC?
0020AC is registered to INTERFLEX DATENSYSTEME GMBH 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. INTERFLEX DATENSYSTEME GMBH's block covers 16,777,216 addresses.
What devices use 0020AC?
Any network device with a MAC address starting 00:20:AC was manufactured by or for INTERFLEX DATENSYSTEME GMBH.