Who owns MAC prefix 0CBFB4B?

0CBFB4B is registered to 대한전력전자 in the IEEE MA-M registry.

What devices use 0CBFB4B?

Any network device with a MAC address starting 0C:BF:B4:B was manufactured by or for 대한전력전자.

MA-M · OUI prefix

대한전력전자

Any MAC address starting 0C:BF:B4:B is registered to 대한전력전자 in KR.

OUI prefix	0CBFB4B
Vendor	대한전력전자
Registry	MA-M (28-bit, medium block)
Country	KR
Example MAC	0C:BF:B4:B:00:00:00

What this means

The IEEE assigned the MA-M block 0CBFB4B to 대한전력전자. 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 0C:BF:B4:B, it is 대한전력전자 hardware.

Other 대한전력전자 prefixes

대한전력전자 holds 7 registered blocks in total.

04208A 70B3D5F3E 8C1F646DA 8C1F64E04 9088A92 D0AA5F5

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