Who owns MAC prefix 8C1F64219?

8C1F64219 is registered to Guangzhou Desam Audio Co.,Ltd in the IEEE MA-S registry.

What devices use 8C1F64219?

Any network device with a MAC address starting 8C:1F:64:21:9 was manufactured by or for Guangzhou Desam Audio Co.,Ltd.

MA-S · OUI prefix

Guangzhou Desam Audio Co.,Ltd

Any MAC address starting 8C:1F:64:21:9 is registered to Guangzhou Desam Audio Co.,Ltd in CN.

OUI prefix	8C1F64219
Vendor	Guangzhou Desam Audio Co.,Ltd
Registry	MA-S (36-bit, small block)
Country	CN
Example MAC	8C:1F:64:21:9:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64219 to Guangzhou Desam Audio 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 8C:1F:64:21:9, it is Guangzhou Desam Audio Co.,Ltd hardware.

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