Who owns MAC prefix 88A9A78?

88A9A78 is registered to psb intralogistics GmbH in the IEEE MA-M registry.

What devices use 88A9A78?

Any network device with a MAC address starting 88:A9:A7:8 was manufactured by or for psb intralogistics GmbH.

MA-M · OUI prefix

psb intralogistics GmbH

Any MAC address starting 88:A9:A7:8 is registered to psb intralogistics GmbH in DE.

OUI prefix	88A9A78
Vendor	psb intralogistics GmbH
Registry	MA-M (28-bit, medium block)
Country	DE
Example MAC	88:A9:A7:8:00:00:00

What this means

The IEEE assigned the MA-M block 88A9A78 to psb intralogistics GmbH. 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 88:A9:A7:8, it is psb intralogistics GmbH hardware.

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