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.

MA-L · OUI prefix

Shenzhen Wangliantong Intelligent Technology Co.,Lte

Q: Who owns MAC prefix CC219D?

CC219D is registered to Shenzhen Wangliantong Intelligent Technology Co.,Lte in the IEEE MA-L registry.

Any MAC address starting CC:21:9D is registered to Shenzhen Wangliantong Intelligent Technology Co.,Lte in CN.

OUI prefix	CC219D
Vendor	Shenzhen Wangliantong Intelligent Technology Co.,Lte
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	CC:21:9D:00:00:00

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.

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