What this means
The IEEE assigned the MA-L block E42150 to Shanghai Chint low voltage electrical technology 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 E4:21:50, it is Shanghai Chint low voltage electrical technology Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix E42150?
E42150 is registered to Shanghai Chint low voltage electrical technology 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. Shanghai Chint low voltage electrical technology Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use E42150?
Any network device with a MAC address starting E4:21:50 was manufactured by or for Shanghai Chint low voltage electrical technology Co.,Ltd..