What this means
The IEEE assigned the MA-L block B07AA4 to Guangzhou Punp Electronics Manufacturing 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 B0:7A:A4, it is Guangzhou Punp Electronics Manufacturing Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix B07AA4?
B07AA4 is registered to Guangzhou Punp Electronics Manufacturing 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. Guangzhou Punp Electronics Manufacturing Co., Ltd.'s block covers 16,777,216 addresses.
What devices use B07AA4?
Any network device with a MAC address starting B0:7A:A4 was manufactured by or for Guangzhou Punp Electronics Manufacturing Co., Ltd..