What this means
The IEEE assigned the MA-L block 30305F to Valeo Schalter und Sensoren 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 30:30:5F, it is Valeo Schalter und Sensoren GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 30305F?
30305F is registered to Valeo Schalter und Sensoren 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. Valeo Schalter und Sensoren GmbH's block covers 16,777,216 addresses.
What devices use 30305F?
Any network device with a MAC address starting 30:30:5F was manufactured by or for Valeo Schalter und Sensoren GmbH.