What this means
The IEEE assigned the MA-L block E46251 to HAO CHENG GROUP LIMITED. 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 E4:62:51, it is HAO CHENG GROUP LIMITED hardware.
Frequently Asked Questions
Who owns MAC prefix E46251?
E46251 is registered to HAO CHENG GROUP LIMITED 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. HAO CHENG GROUP LIMITED's block covers 16,777,216 addresses.
What devices use E46251?
Any network device with a MAC address starting E4:62:51 was manufactured by or for HAO CHENG GROUP LIMITED.