Who owns MAC prefix 001D69?

001D69 is registered to Knorr-Bremse IT-Services GmbH in the IEEE MA-L registry.

What devices use 001D69?

Any network device with a MAC address starting 00:1D:69 was manufactured by or for Knorr-Bremse IT-Services GmbH.

MA-L · OUI prefix

Knorr-Bremse IT-Services GmbH

Any MAC address starting 00:1D:69 is registered to Knorr-Bremse IT-Services GmbH in DE.

OUI prefix	001D69
Vendor	Knorr-Bremse IT-Services GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:1D:69:00:00:00

What this means

The IEEE assigned the MA-L block 001D69 to Knorr-Bremse IT-Services 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 00:1D:69, it is Knorr-Bremse IT-Services GmbH hardware.

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