What this means
The IEEE assigned the MA-L block E43819 to Shenzhen Hi-Link Electronic 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 E4:38:19, it is Shenzhen Hi-Link Electronic CO.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix E43819?
E43819 is registered to Shenzhen Hi-Link Electronic 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. Shenzhen Hi-Link Electronic CO.,Ltd.'s block covers 16,777,216 addresses.
What devices use E43819?
Any network device with a MAC address starting E4:38:19 was manufactured by or for Shenzhen Hi-Link Electronic CO.,Ltd..