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.
Frequently Asked Questions
Who owns MAC prefix E4F3E3?
E4F3E3 is registered to Shanghai iComhome Co.,Ltd. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Shanghai iComhome Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use E4F3E3?
Any network device with a MAC address starting E4:F3:E3 was manufactured by or for Shanghai iComhome Co.,Ltd..