What this means
The IEEE assigned the MA-L block 00221D to Freegene Technology 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 00:22:1D, it is Freegene Technology LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 00221D?
00221D is registered to Freegene Technology 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. Freegene Technology LTD's block covers 16,777,216 addresses.
What devices use 00221D?
Any network device with a MAC address starting 00:22:1D was manufactured by or for Freegene Technology LTD.