What this means
The IEEE assigned the MA-L block 0015D9 to PKC Electronics Oy. 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 00:15:D9, it is PKC Electronics Oy hardware.
Frequently Asked Questions
Who owns MAC prefix 0015D9?
0015D9 is registered to PKC Electronics Oy 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. PKC Electronics Oy's block covers 16,777,216 addresses.
What devices use 0015D9?
Any network device with a MAC address starting 00:15:D9 was manufactured by or for PKC Electronics Oy.