What this means
The IEEE assigned the MA-L block 6420E0 to T3 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 64:20:E0, it is T3 Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 6420E0?
6420E0 is registered to T3 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. T3 Technology Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 6420E0?
Any network device with a MAC address starting 64:20:E0 was manufactured by or for T3 Technology Co., Ltd..