What this means
The IEEE assigned the MA-M block C88ED12 to ROTRONIC AG. 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 C8:8E:D1:2, it is ROTRONIC AG hardware.
Frequently Asked Questions
Who owns MAC prefix C88ED12?
C88ED12 is registered to ROTRONIC AG 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. ROTRONIC AG's block covers 1,048,576 addresses.
What devices use C88ED12?
Any network device with a MAC address starting C8:8E:D1:2 was manufactured by or for ROTRONIC AG.