Who owns MAC prefix 745BC50?

745BC50 is registered to IRS Systementwicklung GmbH in the IEEE MA-M registry.

What devices use 745BC50?

Any network device with a MAC address starting 74:5B:C5:0 was manufactured by or for IRS Systementwicklung GmbH.

MA-M · OUI prefix

IRS Systementwicklung GmbH

Any MAC address starting 74:5B:C5:0 is registered to IRS Systementwicklung GmbH in DE.

OUI prefix	745BC50
Vendor	IRS Systementwicklung GmbH
Registry	MA-M (28-bit, medium block)
Country	DE
Example MAC	74:5B:C5:0:00:00:00

What this means

The IEEE assigned the MA-M block 745BC50 to IRS Systementwicklung 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 74:5B:C5:0, it is IRS Systementwicklung GmbH hardware.

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