What this means
The IEEE assigned the MA-L block 0030BF to MULTIDATA 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 00:30:BF, it is MULTIDATA GMBH hardware.
Frequently Asked Questions
Who owns MAC prefix 0030BF?
0030BF is registered to MULTIDATA 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. MULTIDATA GMBH's block covers 16,777,216 addresses.
What devices use 0030BF?
Any network device with a MAC address starting 00:30:BF was manufactured by or for MULTIDATA GMBH.