What this means
The IEEE assigned the MA-L block C40938 to FUJIAN STAR-NET COMMUNICATION 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 C4:09:38, it is FUJIAN STAR-NET COMMUNICATION CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix C40938?
C40938 is registered to FUJIAN STAR-NET COMMUNICATION 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. FUJIAN STAR-NET COMMUNICATION CO.,LTD's block covers 16,777,216 addresses.
What devices use C40938?
Any network device with a MAC address starting C4:09:38 was manufactured by or for FUJIAN STAR-NET COMMUNICATION CO.,LTD.