What this means
The IEEE assigned the MA-L block 20D5AB to Korea Infocom 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 20:D5:AB, it is Korea Infocom Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 20D5AB?
20D5AB is registered to Korea Infocom 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. Korea Infocom Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 20D5AB?
Any network device with a MAC address starting 20:D5:AB was manufactured by or for Korea Infocom Co.,Ltd..