Who owns MAC prefix 30D51F?

30D51F is registered to Prolights in the IEEE MA-L registry.

What devices use 30D51F?

Any network device with a MAC address starting 30:D5:1F was manufactured by or for Prolights.

MA-L · OUI prefix

Prolights

Any MAC address starting 30:D5:1F is registered to Prolights in IT.

OUI prefix	30D51F
Vendor	Prolights
Registry	MA-L (24-bit, large block)
Country	IT
Example MAC	30:D5:1F:00:00:00

What this means

The IEEE assigned the MA-L block 30D51F to Prolights. 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:D5:1F, it is Prolights hardware.

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