What this means
The IEEE assigned the MA-L block 645725 to Hui Zhou Gaoshengda Technology 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 64:57:25, it is Hui Zhou Gaoshengda Technology Co.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 645725?
645725 is registered to Hui Zhou Gaoshengda Technology 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. Hui Zhou Gaoshengda Technology Co.,LTD's block covers 16,777,216 addresses.
What devices use 645725?
Any network device with a MAC address starting 64:57:25 was manufactured by or for Hui Zhou Gaoshengda Technology Co.,LTD.