Who owns MAC prefix 04F9D9?

04F9D9 is registered to Speaker Electronic(Jiashan) Co.,Ltd in the IEEE MA-L registry.

What devices use 04F9D9?

Any network device with a MAC address starting 04:F9:D9 was manufactured by or for Speaker Electronic(Jiashan) Co.,Ltd.

MA-L · OUI prefix

Speaker Electronic(Jiashan) Co.,Ltd

Any MAC address starting 04:F9:D9 is registered to Speaker Electronic(Jiashan) Co.,Ltd in CN.

OUI prefix	04F9D9
Vendor	Speaker Electronic(Jiashan) Co.,Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	04:F9:D9:00:00:00

What this means

The IEEE assigned the MA-L block 04F9D9 to Speaker Electronic(Jiashan) 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 04:F9:D9, it is Speaker Electronic(Jiashan) Co.,Ltd hardware.

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