What this means
The IEEE assigned the MA-L block C09132 to Patriot Memory. 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 C0:91:32, it is Patriot Memory hardware.
Frequently Asked Questions
Who owns MAC prefix C09132?
C09132 is registered to Patriot Memory 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. Patriot Memory's block covers 16,777,216 addresses.
What devices use C09132?
Any network device with a MAC address starting C0:91:32 was manufactured by or for Patriot Memory.