Who owns MAC prefix 70B3D5814?

70B3D5814 is registered to Ingenieurbuero SOMTRONIK in the IEEE MA-S registry.

What devices use 70B3D5814?

Any network device with a MAC address starting 70:B3:D5:81:4 was manufactured by or for Ingenieurbuero SOMTRONIK.

MA-S · OUI prefix

Ingenieurbuero SOMTRONIK

Any MAC address starting 70:B3:D5:81:4 is registered to Ingenieurbuero SOMTRONIK in DE.

OUI prefix	70B3D5814
Vendor	Ingenieurbuero SOMTRONIK
Registry	MA-S (36-bit, small block)
Country	DE
Example MAC	70:B3:D5:81:4:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5814 to Ingenieurbuero SOMTRONIK. 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:D5:81:4, it is Ingenieurbuero SOMTRONIK hardware.

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