What this means
The IEEE assigned the MA-L block 405662 to GuoTengShengHua Electronics 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 40:56:62, it is GuoTengShengHua Electronics LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 405662?
405662 is registered to GuoTengShengHua Electronics 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. GuoTengShengHua Electronics LTD.'s block covers 16,777,216 addresses.
What devices use 405662?
Any network device with a MAC address starting 40:56:62 was manufactured by or for GuoTengShengHua Electronics LTD..