What this means
The IEEE assigned the MA-L block 349B5B to Maquet 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 34:9B:5B, it is Maquet GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 349B5B?
349B5B is registered to Maquet 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. Maquet GmbH's block covers 16,777,216 addresses.
What devices use 349B5B?
Any network device with a MAC address starting 34:9B:5B was manufactured by or for Maquet GmbH.