What devices use 7C21D8?

Any network device with a MAC address starting 7C:21:D8 was manufactured by or for Shenzhen Think Will Communication Technology co., LTD..

MA-L · OUI prefix

Shenzhen Think Will Communication Technology co., LTD.

Q: Who owns MAC prefix 7C21D8?

7C21D8 is registered to Shenzhen Think Will Communication Technology co., LTD. in the IEEE MA-L registry.

Any MAC address starting 7C:21:D8 is registered to Shenzhen Think Will Communication Technology co., LTD. in CN.

OUI prefix	7C21D8
Vendor	Shenzhen Think Will Communication Technology co., LTD.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	7C:21:D8:00:00:00

What this means

The IEEE assigned the MA-L block 7C21D8 to Shenzhen Think Will Communication 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 7C:21:D8, it is Shenzhen Think Will Communication Technology co., LTD. hardware.

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