What this means
The IEEE assigned the MA-L block 00214E to GS Yuasa Power Supply 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 00:21:4E, it is GS Yuasa Power Supply Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 00214E?
00214E is registered to GS Yuasa Power Supply 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. GS Yuasa Power Supply Ltd.'s block covers 16,777,216 addresses.
What devices use 00214E?
Any network device with a MAC address starting 00:21:4E was manufactured by or for GS Yuasa Power Supply Ltd..