What this means
The IEEE assigned the MA-L block 7C0A50 to J-MEX 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 7C:0A:50, it is J-MEX Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 7C0A50?
7C0A50 is registered to J-MEX 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. J-MEX Inc.'s block covers 16,777,216 addresses.
What devices use 7C0A50?
Any network device with a MAC address starting 7C:0A:50 was manufactured by or for J-MEX Inc..