Who owns MAC prefix 54083BB?

54083BB is registered to Korea Bus Broadcasting in the IEEE MA-M registry.

What devices use 54083BB?

Any network device with a MAC address starting 54:08:3B:B was manufactured by or for Korea Bus Broadcasting.

MA-M · OUI prefix

Korea Bus Broadcasting

Any MAC address starting 54:08:3B:B is registered to Korea Bus Broadcasting in KR.

OUI prefix	54083BB
Vendor	Korea Bus Broadcasting
Registry	MA-M (28-bit, medium block)
Country	KR
Example MAC	54:08:3B:B:00:00:00

What this means

The IEEE assigned the MA-M block 54083BB to Korea Bus Broadcasting. 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 54:08:3B:B, it is Korea Bus Broadcasting hardware.

Look up another MAC