What devices use 1C21D13?

Any network device with a MAC address starting 1C:21:D1:3 was manufactured by or for Microview Science and Technology Co.,Ltd.

MA-M · OUI prefix

Microview Science and Technology Co.,Ltd

Q: Who owns MAC prefix 1C21D13?

1C21D13 is registered to Microview Science and Technology Co.,Ltd in the IEEE MA-M registry.

Any MAC address starting 1C:21:D1:3 is registered to Microview Science and Technology Co.,Ltd in CN.

OUI prefix	1C21D13
Vendor	Microview Science and Technology Co.,Ltd
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	1C:21:D1:3:00:00:00

What this means

The IEEE assigned the MA-M block 1C21D13 to Microview Science and 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 1C:21:D1:3, it is Microview Science and Technology Co.,Ltd hardware.

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