What this means

The IEEE assigned the MA-L block 000C9C to Chongho information & communications. 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 00:0C:9C, it is Chongho information & communications hardware.

Frequently Asked Questions

Who owns MAC prefix 000C9C?

000C9C is registered to Chongho information & communications 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. Chongho information & communications's block covers 16,777,216 addresses.

What devices use 000C9C?

Any network device with a MAC address starting 00:0C:9C was manufactured by or for Chongho information & communications.