What this means
The IEEE assigned the MA-L block 00030F to Digital China (Shanghai) Networks 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 00:03:0F, it is Digital China (Shanghai) Networks Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 00030F?
00030F is registered to Digital China (Shanghai) Networks 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. Digital China (Shanghai) Networks Ltd.'s block covers 16,777,216 addresses.
What devices use 00030F?
Any network device with a MAC address starting 00:03:0F was manufactured by or for Digital China (Shanghai) Networks Ltd..