What this means
The IEEE assigned the MA-L block 905F8D to modas 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 90:5F:8D, it is modas GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 905F8D?
905F8D is registered to modas 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. modas GmbH's block covers 16,777,216 addresses.
What devices use 905F8D?
Any network device with a MAC address starting 90:5F:8D was manufactured by or for modas GmbH.