Who owns MAC prefix 1874E21?

1874E21 is registered to Sartorius Lab Instruments GmbH & Co. KG in the IEEE MA-M registry.

What devices use 1874E21?

Any network device with a MAC address starting 18:74:E2:1 was manufactured by or for Sartorius Lab Instruments GmbH & Co. KG.

MA-M · OUI prefix

Sartorius Lab Instruments GmbH & Co. KG

Any MAC address starting 18:74:E2:1 is registered to Sartorius Lab Instruments GmbH & Co. KG in DE.

OUI prefix	1874E21
Vendor	Sartorius Lab Instruments GmbH & Co. KG
Registry	MA-M (28-bit, medium block)
Country	DE
Example MAC	18:74:E2:1:00:00:00

What this means

The IEEE assigned the MA-M block 1874E21 to Sartorius Lab Instruments GmbH & Co. KG. 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 18:74:E2:1, it is Sartorius Lab Instruments GmbH & Co. KG hardware.

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