What this means
The IEEE assigned the MA-L block 74220D to CHENGDU XUGUANG 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 74:22:0D, it is CHENGDU XUGUANG TECHNOLOGY CO,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 74220D?
74220D is registered to CHENGDU XUGUANG 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. CHENGDU XUGUANG TECHNOLOGY CO,LTD's block covers 16,777,216 addresses.
What devices use 74220D?
Any network device with a MAC address starting 74:22:0D was manufactured by or for CHENGDU XUGUANG TECHNOLOGY CO,LTD.