What devices use 70B3D5B6C?

Any network device with a MAC address starting 70:B3:D5:B6:C was manufactured by or for GHM-Messtechnik GmbH (Standort IMTRON).

MA-S · OUI prefix

GHM-Messtechnik GmbH (Standort IMTRON)

Q: Who owns MAC prefix 70B3D5B6C?

70B3D5B6C is registered to GHM-Messtechnik GmbH (Standort IMTRON) in the IEEE MA-S registry.

Any MAC address starting 70:B3:D5:B6:C is registered to GHM-Messtechnik GmbH (Standort IMTRON) in DE.

OUI prefix	70B3D5B6C
Vendor	GHM-Messtechnik GmbH (Standort IMTRON)
Registry	MA-S (36-bit, small block)
Country	DE
Example MAC	70:B3:D5:B6:C:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5B6C to GHM-Messtechnik GmbH (Standort IMTRON). 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 70:B3:D5:B6:C, it is GHM-Messtechnik GmbH (Standort IMTRON) hardware.

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