What this means
The IEEE assigned the MA-L block 001CB9 to KWANG SUNG ELECTRONICS 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 00:1C:B9, it is KWANG SUNG ELECTRONICS CO., LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 001CB9?
001CB9 is registered to KWANG SUNG ELECTRONICS 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. KWANG SUNG ELECTRONICS CO., LTD.'s block covers 16,777,216 addresses.
What devices use 001CB9?
Any network device with a MAC address starting 00:1C:B9 was manufactured by or for KWANG SUNG ELECTRONICS CO., LTD..