What this means
The IEEE assigned the MA-L block 283984 to Qidi Technology (shanghai) 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 28:39:84, it is Qidi Technology (shanghai) Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 283984?
283984 is registered to Qidi Technology (shanghai) 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. Qidi Technology (shanghai) Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 283984?
Any network device with a MAC address starting 28:39:84 was manufactured by or for Qidi Technology (shanghai) Co.,Ltd..