What this means
The IEEE assigned the MA-L block 0021FB to LG Electronics (Mobile Communications). 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:FB, it is LG Electronics (Mobile Communications) hardware.
Frequently Asked Questions
Who owns MAC prefix 0021FB?
0021FB is registered to LG Electronics (Mobile Communications) 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. LG Electronics (Mobile Communications)'s block covers 16,777,216 addresses.
What devices use 0021FB?
Any network device with a MAC address starting 00:21:FB was manufactured by or for LG Electronics (Mobile Communications).