What this means
The IEEE assigned the MA-L block 78444A to Shenzhen Aiwinn information Technology 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 78:44:4A, it is Shenzhen Aiwinn information Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 78444A?
78444A is registered to Shenzhen Aiwinn information Technology 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 Aiwinn information Technology Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 78444A?
Any network device with a MAC address starting 78:44:4A was manufactured by or for Shenzhen Aiwinn information Technology Co., Ltd..