What this means
The IEEE assigned the MA-L block C044E3 to Shenzhen Sinkna 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 C0:44:E3, it is Shenzhen Sinkna Electronics Co., LTD hardware.
Frequently Asked Questions
Who owns MAC prefix C044E3?
C044E3 is registered to Shenzhen Sinkna 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. Shenzhen Sinkna Electronics Co., LTD's block covers 16,777,216 addresses.
What devices use C044E3?
Any network device with a MAC address starting C0:44:E3 was manufactured by or for Shenzhen Sinkna Electronics Co., LTD.