Who owns MAC prefix 50CEE3?

50CEE3 is registered to Gigafirm.co.LTD in the IEEE MA-L registry.

What devices use 50CEE3?

Any network device with a MAC address starting 50:CE:E3 was manufactured by or for Gigafirm.co.LTD.

MA-L · OUI prefix

Gigafirm.co.LTD

Any MAC address starting 50:CE:E3 is registered to Gigafirm.co.LTD in JP.

OUI prefix	50CEE3
Vendor	Gigafirm.co.LTD
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	50:CE:E3:00:00:00

What this means

The IEEE assigned the MA-L block 50CEE3 to Gigafirm.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 50:CE:E3, it is Gigafirm.co.LTD hardware.

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