What this means
The IEEE assigned the MA-L block 44975A to SHENZHEN FAST 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 44:97:5A, it is SHENZHEN FAST TECHNOLOGIES CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 44975A?
44975A is registered to SHENZHEN FAST 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 FAST TECHNOLOGIES CO.,LTD's block covers 16,777,216 addresses.
What devices use 44975A?
Any network device with a MAC address starting 44:97:5A was manufactured by or for SHENZHEN FAST TECHNOLOGIES CO.,LTD.