Who owns MAC prefix AC330B?

AC330B is registered to Japan Computer Vision Corp. in the IEEE MA-L registry.

What devices use AC330B?

Any network device with a MAC address starting AC:33:0B was manufactured by or for Japan Computer Vision Corp..

MA-L · OUI prefix

Japan Computer Vision Corp.

Any MAC address starting AC:33:0B is registered to Japan Computer Vision Corp. in JP.

OUI prefix	AC330B
Vendor	Japan Computer Vision Corp.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	AC:33:0B:00:00:00

What this means

The IEEE assigned the MA-L block AC330B to Japan Computer Vision Corp.. 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 AC:33:0B, it is Japan Computer Vision Corp. hardware.

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