Who owns MAC prefix B0E39D?

B0E39D is registered to CAT SYSTEM CO.,LTD. in the IEEE MA-L registry.

What devices use B0E39D?

Any network device with a MAC address starting B0:E3:9D was manufactured by or for CAT SYSTEM CO.,LTD..

MA-L · OUI prefix

CAT SYSTEM CO.,LTD.

Any MAC address starting B0:E3:9D is registered to CAT SYSTEM CO.,LTD. in JP.

OUI prefix	B0E39D
Vendor	CAT SYSTEM CO.,LTD.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	B0:E3:9D:00:00:00

What this means

The IEEE assigned the MA-L block B0E39D to CAT SYSTEM CO.,LTD.. 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 B0:E3:9D, it is CAT SYSTEM CO.,LTD. hardware.

Look up another MAC