What this means
The IEEE assigned the MA-M block 3446630 to China Drive Electric Co.,Ltd（Zhe Jiang）. 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 34:46:63:0, it is China Drive Electric Co.,Ltd（Zhe Jiang） hardware.
Frequently Asked Questions
Who owns MAC prefix 3446630?
3446630 is registered to China Drive Electric Co.,Ltd（Zhe Jiang） in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. China Drive Electric Co.,Ltd（Zhe Jiang）'s block covers 1,048,576 addresses.
What devices use 3446630?
Any network device with a MAC address starting 34:46:63:0 was manufactured by or for China Drive Electric Co.,Ltd（Zhe Jiang）.