Who owns MAC prefix BCB923?

BCB923 is registered to Alta Networks in the IEEE MA-L registry.

What devices use BCB923?

Any network device with a MAC address starting BC:B9:23 was manufactured by or for Alta Networks.

MA-L · OUI prefix

Alta Networks

Any MAC address starting BC:B9:23 is registered to Alta Networks in US.

OUI prefix	BCB923
Vendor	Alta Networks
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	BC:B9:23:00:00:00

What this means

The IEEE assigned the MA-L block BCB923 to Alta Networks. 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 BC:B9:23, it is Alta Networks hardware.

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