What this means
The IEEE assigned the MA-L block A439B6 to SHENZHEN PEIZHE MICROELECTRONICS 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 A4:39:B6, it is SHENZHEN PEIZHE MICROELECTRONICS CO .LTD hardware.
Frequently Asked Questions
Who owns MAC prefix A439B6?
A439B6 is registered to SHENZHEN PEIZHE MICROELECTRONICS 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 PEIZHE MICROELECTRONICS CO .LTD's block covers 16,777,216 addresses.
What devices use A439B6?
Any network device with a MAC address starting A4:39:B6 was manufactured by or for SHENZHEN PEIZHE MICROELECTRONICS CO .LTD.