What this means
The IEEE assigned the MA-L block E8519D to Yeonhab Precision 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 E8:51:9D, it is Yeonhab Precision Co.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix E8519D?
E8519D is registered to Yeonhab Precision 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. Yeonhab Precision Co.,LTD's block covers 16,777,216 addresses.
What devices use E8519D?
Any network device with a MAC address starting E8:51:9D was manufactured by or for Yeonhab Precision Co.,LTD.