What this means
The IEEE assigned the MA-L block 001921 to Elitegroup Computer Systems 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 00:19:21, it is Elitegroup Computer Systems Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 001921?
001921 is registered to Elitegroup Computer Systems 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. Elitegroup Computer Systems Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 001921?
Any network device with a MAC address starting 00:19:21 was manufactured by or for Elitegroup Computer Systems Co.,Ltd..