What this means
The IEEE assigned the MA-L block 0C5141 to NXP Semiconductors Taiwan Ltd.. 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 0C:51:41, it is NXP Semiconductors Taiwan Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 0C5141?
0C5141 is registered to NXP Semiconductors Taiwan Ltd. 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. NXP Semiconductors Taiwan Ltd.'s block covers 16,777,216 addresses.
What devices use 0C5141?
Any network device with a MAC address starting 0C:51:41 was manufactured by or for NXP Semiconductors Taiwan Ltd..