What this means
The IEEE assigned the MA-L block E4C806 to Ceiec Electric Technology Inc.. 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:C8:06, it is Ceiec Electric Technology Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix E4C806?
E4C806 is registered to Ceiec Electric Technology Inc. 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. Ceiec Electric Technology Inc.'s block covers 16,777,216 addresses.
What devices use E4C806?
Any network device with a MAC address starting E4:C8:06 was manufactured by or for Ceiec Electric Technology Inc..