What this means
The IEEE assigned the MA-L block CC219D to Shenzhen Wangliantong Intelligent Technology Co.,Lte. 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 CC:21:9D, it is Shenzhen Wangliantong Intelligent Technology Co.,Lte hardware.
Frequently Asked Questions
Who owns MAC prefix CC219D?
CC219D is registered to Shenzhen Wangliantong Intelligent Technology Co.,Lte 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. Shenzhen Wangliantong Intelligent Technology Co.,Lte's block covers 16,777,216 addresses.
What devices use CC219D?
Any network device with a MAC address starting CC:21:9D was manufactured by or for Shenzhen Wangliantong Intelligent Technology Co.,Lte.