What this means
The IEEE assigned the MA-L block 0C5203 to AGM GROUP LIMITED. 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 0C:52:03, it is AGM GROUP LIMITED hardware.
Frequently Asked Questions
Who owns MAC prefix 0C5203?
0C5203 is registered to AGM GROUP LIMITED 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. AGM GROUP LIMITED's block covers 16,777,216 addresses.
What devices use 0C5203?
Any network device with a MAC address starting 0C:52:03 was manufactured by or for AGM GROUP LIMITED.