What this means
The IEEE assigned the MA-L block 28A6AC to seca gmbh & co. kg. 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 28:A6:AC, it is seca gmbh & co. kg hardware.
Frequently Asked Questions
Who owns MAC prefix 28A6AC?
28A6AC is registered to seca gmbh & co. kg 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. seca gmbh & co. kg's block covers 16,777,216 addresses.
What devices use 28A6AC?
Any network device with a MAC address starting 28:A6:AC was manufactured by or for seca gmbh & co. kg.