What this means
The IEEE assigned the MA-L block 745D43 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 74:5D:43, it is BSH Hausgeräte GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 745D43?
745D43 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 745D43?
Any network device with a MAC address starting 74:5D:43 was manufactured by or for BSH Hausgeräte GmbH.