What this means
The IEEE assigned the MA-L block 001531 to KOCOM. 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 00:15:31, it is KOCOM hardware.
Frequently Asked Questions
Who owns MAC prefix 001531?
001531 is registered to KOCOM 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. KOCOM's block covers 16,777,216 addresses.
What devices use 001531?
Any network device with a MAC address starting 00:15:31 was manufactured by or for KOCOM.