Who owns MAC prefix 000F05?

000F05 is registered to 3B SYSTEM INC. in the IEEE MA-L registry.

What devices use 000F05?

Any network device with a MAC address starting 00:0F:05 was manufactured by or for 3B SYSTEM INC..

MA-L · OUI prefix

3B SYSTEM INC.

Any MAC address starting 00:0F:05 is registered to 3B SYSTEM INC. in KR.

OUI prefix	000F05
Vendor	3B SYSTEM INC.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	00:0F:05:00:00:00

What this means

The IEEE assigned the MA-L block 000F05 to 3B SYSTEM INC.. 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 00:0F:05, it is 3B SYSTEM INC. hardware.

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