What this means
The IEEE assigned the MA-L block 10CB33 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 10:CB:33, it is NXP Semiconductors Taiwan Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 10CB33?
10CB33 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 10CB33?
Any network device with a MAC address starting 10:CB:33 was manufactured by or for NXP Semiconductors Taiwan Ltd..