What this means
The IEEE assigned the MA-L block 000622 to Chung Fu Chen Yeh Enterprise Corp.. 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 00:06:22, it is Chung Fu Chen Yeh Enterprise Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 000622?
000622 is registered to Chung Fu Chen Yeh Enterprise Corp. 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. Chung Fu Chen Yeh Enterprise Corp.'s block covers 16,777,216 addresses.
What devices use 000622?
Any network device with a MAC address starting 00:06:22 was manufactured by or for Chung Fu Chen Yeh Enterprise Corp..