What this means
The IEEE assigned the MA-L block 400AE7 to BSH Hausgeräte GmbH. 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 40:0A:E7, it is BSH Hausgeräte GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 400AE7?
400AE7 is registered to BSH Hausgeräte GmbH 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. BSH Hausgeräte GmbH's block covers 16,777,216 addresses.
What devices use 400AE7?
Any network device with a MAC address starting 40:0A:E7 was manufactured by or for BSH Hausgeräte GmbH.