What this means
The IEEE assigned the MA-L block 0002C4 to OPT Machine Vision Tech 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 00:02:C4, it is OPT Machine Vision Tech Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 0002C4?
0002C4 is registered to OPT Machine Vision Tech 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. OPT Machine Vision Tech Co., Ltd's block covers 16,777,216 addresses.
What devices use 0002C4?
Any network device with a MAC address starting 00:02:C4 was manufactured by or for OPT Machine Vision Tech Co., Ltd.