Who owns MAC prefix D01B1F?

D01B1F is registered to OHSUNG in the IEEE MA-L registry.

What devices use D01B1F?

Any network device with a MAC address starting D0:1B:1F was manufactured by or for OHSUNG.

MA-L · OUI prefix

OHSUNG

Any MAC address starting D0:1B:1F is registered to OHSUNG in KR.

OUI prefix	D01B1F
Vendor	OHSUNG
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	D0:1B:1F:00:00:00

What this means

The IEEE assigned the MA-L block D01B1F to OHSUNG. 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 D0:1B:1F, it is OHSUNG hardware.

Other OHSUNG prefixes

OHSUNG holds 16 registered blocks in total.

14CF8D 1C3929 309E1D 343E25 4892C1 68966A 749EA5 98EF9B 98F5A9 B814DB C8DD6A D4FF26 all 16 »

Look up another MAC