Who owns MAC prefix 0019B0?

0019B0 is registered to HanYang System in the IEEE MA-L registry.

What devices use 0019B0?

Any network device with a MAC address starting 00:19:B0 was manufactured by or for HanYang System.

MA-L · OUI prefix

HanYang System

Any MAC address starting 00:19:B0 is registered to HanYang System in KR.

OUI prefix	0019B0
Vendor	HanYang System
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	00:19:B0:00:00:00

What this means

The IEEE assigned the MA-L block 0019B0 to HanYang System. 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 00:19:B0, it is HanYang System hardware.

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