What this means
The IEEE assigned the MA-L block 400326 to NXP Semiconductor (Tianjin) 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 40:03:26, it is NXP Semiconductor (Tianjin) LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 400326?
400326 is registered to NXP Semiconductor (Tianjin) 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. NXP Semiconductor (Tianjin) LTD.'s block covers 16,777,216 addresses.
What devices use 400326?
Any network device with a MAC address starting 40:03:26 was manufactured by or for NXP Semiconductor (Tianjin) LTD..