What this means
The IEEE assigned the MA-M block 6C15240 to DEFA AS. 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 6C:15:24:0, it is DEFA AS hardware.
Frequently Asked Questions
Who owns MAC prefix 6C15240?
6C15240 is registered to DEFA AS 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. DEFA AS's block covers 1,048,576 addresses.
What devices use 6C15240?
Any network device with a MAC address starting 6C:15:24:0 was manufactured by or for DEFA AS.