What this means
The IEEE assigned the MA-L block A4AB39 to Shenzhen Taichi Technology Limited. 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 A4:AB:39, it is Shenzhen Taichi Technology Limited hardware.
Frequently Asked Questions
Who owns MAC prefix A4AB39?
A4AB39 is registered to Shenzhen Taichi Technology Limited 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 Taichi Technology Limited's block covers 16,777,216 addresses.
What devices use A4AB39?
Any network device with a MAC address starting A4:AB:39 was manufactured by or for Shenzhen Taichi Technology Limited.