What this means
The IEEE assigned the MA-L block E43022 to Hanwha Vision VietNam. 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 E4:30:22, it is Hanwha Vision VietNam hardware.
Frequently Asked Questions
Who owns MAC prefix E43022?
E43022 is registered to Hanwha Vision VietNam 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. Hanwha Vision VietNam's block covers 16,777,216 addresses.
What devices use E43022?
Any network device with a MAC address starting E4:30:22 was manufactured by or for Hanwha Vision VietNam.