Who owns MAC prefix 78888A?

78888A is registered to CDR Sp. z o.o. Sp. k. in the IEEE MA-L registry.

What devices use 78888A?

Any network device with a MAC address starting 78:88:8A was manufactured by or for CDR Sp. z o.o. Sp. k..

MA-L · OUI prefix

CDR Sp. z o.o. Sp. k.

Any MAC address starting 78:88:8A is registered to CDR Sp. z o.o. Sp. k. in PL.

OUI prefix	78888A
Vendor	CDR Sp. z o.o. Sp. k.
Registry	MA-L (24-bit, large block)
Country	PL
Example MAC	78:88:8A:00:00:00

What this means

The IEEE assigned the MA-L block 78888A to CDR Sp. z o.o. Sp. k.. 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 78:88:8A, it is CDR Sp. z o.o. Sp. k. hardware.

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