What this means
The IEEE assigned the MA-L block C4A9B8 to XIAMENSHI C-CHIP TECHNOLOGY 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 C4:A9:B8, it is XIAMENSHI C-CHIP TECHNOLOGY CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix C4A9B8?
C4A9B8 is registered to XIAMENSHI C-CHIP TECHNOLOGY 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. XIAMENSHI C-CHIP TECHNOLOGY CO.,LTD's block covers 16,777,216 addresses.
What devices use C4A9B8?
Any network device with a MAC address starting C4:A9:B8 was manufactured by or for XIAMENSHI C-CHIP TECHNOLOGY CO.,LTD.