What this means
The IEEE assigned the MA-L block C033DA to Shenzhen JRUN Technologies 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 C0:33:DA, it is Shenzhen JRUN Technologies CO., LTD hardware.
Frequently Asked Questions
Who owns MAC prefix C033DA?
C033DA is registered to Shenzhen JRUN Technologies 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 JRUN Technologies CO., LTD's block covers 16,777,216 addresses.
What devices use C033DA?
Any network device with a MAC address starting C0:33:DA was manufactured by or for Shenzhen JRUN Technologies CO., LTD.