What this means
The IEEE assigned the MA-L block E078A3 to Shanghai Winner Information Technology Co.,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 E0:78:A3, it is Shanghai Winner Information Technology Co.,Inc hardware.
Frequently Asked Questions
Who owns MAC prefix E078A3?
E078A3 is registered to Shanghai Winner Information Technology Co.,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. Shanghai Winner Information Technology Co.,Inc's block covers 16,777,216 addresses.
What devices use E078A3?
Any network device with a MAC address starting E0:78:A3 was manufactured by or for Shanghai Winner Information Technology Co.,Inc.