What this means
The IEEE assigned the MA-L block 54FDBF to Scheidt & Bachmann 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 54:FD:BF, it is Scheidt & Bachmann GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 54FDBF?
54FDBF is registered to Scheidt & Bachmann 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. Scheidt & Bachmann GmbH's block covers 16,777,216 addresses.
What devices use 54FDBF?
Any network device with a MAC address starting 54:FD:BF was manufactured by or for Scheidt & Bachmann GmbH.