What this means
The IEEE assigned the MA-M block 7C70BCD to mk-messtechnik 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 7C:70:BC:D, it is mk-messtechnik GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 7C70BCD?
7C70BCD is registered to mk-messtechnik GmbH 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. mk-messtechnik GmbH's block covers 1,048,576 addresses.
What devices use 7C70BCD?
Any network device with a MAC address starting 7C:70:BC:D was manufactured by or for mk-messtechnik GmbH.