Who owns MAC prefix E4F3E3?

E4F3E3 is registered to Shanghai iComhome Co.,Ltd. in the IEEE MA-L registry.

What devices use E4F3E3?

Any network device with a MAC address starting E4:F3:E3 was manufactured by or for Shanghai iComhome Co.,Ltd..

MA-L · OUI prefix

Shanghai iComhome Co.,Ltd.

Any MAC address starting E4:F3:E3 is registered to Shanghai iComhome Co.,Ltd. in CN.

OUI prefix	E4F3E3
Vendor	Shanghai iComhome Co.,Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	E4:F3:E3:00:00:00

What this means

The IEEE assigned the MA-L block E4F3E3 to Shanghai iComhome 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 E4:F3:E3, it is Shanghai iComhome Co.,Ltd. hardware.

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