What this means
The IEEE assigned the MA-L block 14DC51 to Xiamen Cheerzing IOT Technology Co.,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 14:DC:51, it is Xiamen Cheerzing IOT Technology Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 14DC51?
14DC51 is registered to Xiamen Cheerzing IOT Technology Co.,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. Xiamen Cheerzing IOT Technology Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 14DC51?
Any network device with a MAC address starting 14:DC:51 was manufactured by or for Xiamen Cheerzing IOT Technology Co.,Ltd..