Who owns MAC prefix 70B3D58EC?

70B3D58EC is registered to Rudy Tellert in the IEEE MA-S registry.

What devices use 70B3D58EC?

Any network device with a MAC address starting 70:B3:D5:8E:C was manufactured by or for Rudy Tellert.

MA-S · OUI prefix

Rudy Tellert

Any MAC address starting 70:B3:D5:8E:C is registered to Rudy Tellert in DE.

OUI prefix	70B3D58EC
Vendor	Rudy Tellert
Registry	MA-S (36-bit, small block)
Country	DE
Example MAC	70:B3:D5:8E:C:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D58EC to Rudy Tellert. 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:D5:8E:C, it is Rudy Tellert hardware.

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