What this means
The IEEE assigned the MA-L block 00C009 to KT TECHNOLOGY (S) PTE 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:C0:09, it is KT TECHNOLOGY (S) PTE LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 00C009?
00C009 is registered to KT TECHNOLOGY (S) PTE 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. KT TECHNOLOGY (S) PTE LTD's block covers 16,777,216 addresses.
What devices use 00C009?
Any network device with a MAC address starting 00:C0:09 was manufactured by or for KT TECHNOLOGY (S) PTE LTD.