Who owns MAC prefix 0023C7?

0023C7 is registered to AVSystem sp. z o. o. in the IEEE MA-L registry.

What devices use 0023C7?

Any network device with a MAC address starting 00:23:C7 was manufactured by or for AVSystem sp. z o. o..

MA-L · OUI prefix

AVSystem sp. z o. o.

Any MAC address starting 00:23:C7 is registered to AVSystem sp. z o. o. in PL.

OUI prefix	0023C7
Vendor	AVSystem sp. z o. o.
Registry	MA-L (24-bit, large block)
Country	PL
Example MAC	00:23:C7:00:00:00

What this means

The IEEE assigned the MA-L block 0023C7 to AVSystem sp. z o. o.. 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 00:23:C7, it is AVSystem sp. z o. o. hardware.

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