Who owns MAC prefix 781100?

781100 is registered to Quantumsolution in the IEEE MA-L registry.

What devices use 781100?

Any network device with a MAC address starting 78:11:00 was manufactured by or for Quantumsolution.

MA-L · OUI prefix

Quantumsolution

Any MAC address starting 78:11:00 is registered to Quantumsolution in KR.

OUI prefix	781100
Vendor	Quantumsolution
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	78:11:00:00:00:00

What this means

The IEEE assigned the MA-L block 781100 to Quantumsolution. 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 78:11:00, it is Quantumsolution hardware.

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