Who owns MAC prefix 3C404F?

3C404F is registered to GUANGDONG PISEN ELECTRONICS CO.,LTD in the IEEE MA-L registry.

What devices use 3C404F?

Any network device with a MAC address starting 3C:40:4F was manufactured by or for GUANGDONG PISEN ELECTRONICS CO.,LTD.

MA-L · OUI prefix

GUANGDONG PISEN ELECTRONICS CO.,LTD

Any MAC address starting 3C:40:4F is registered to GUANGDONG PISEN ELECTRONICS CO.,LTD in CN.

OUI prefix	3C404F
Vendor	GUANGDONG PISEN ELECTRONICS CO.,LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	3C:40:4F:00:00:00

What this means

The IEEE assigned the MA-L block 3C404F to GUANGDONG PISEN ELECTRONICS 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 3C:40:4F, it is GUANGDONG PISEN ELECTRONICS CO.,LTD hardware.

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