What this means
The IEEE assigned the MA-L block 20D21F to Wincal Technology Corp.. 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 20:D2:1F, it is Wincal Technology Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 20D21F?
20D21F is registered to Wincal Technology Corp. 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. Wincal Technology Corp.'s block covers 16,777,216 addresses.
What devices use 20D21F?
Any network device with a MAC address starting 20:D2:1F was manufactured by or for Wincal Technology Corp..