What this means
The IEEE assigned the MA-L block 803B2A to ABB Xiamen Low Voltage Equipment 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 80:3B:2A, it is ABB Xiamen Low Voltage Equipment Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 803B2A?
803B2A is registered to ABB Xiamen Low Voltage Equipment 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. ABB Xiamen Low Voltage Equipment Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 803B2A?
Any network device with a MAC address starting 80:3B:2A was manufactured by or for ABB Xiamen Low Voltage Equipment Co.,Ltd..