What devices use 70B3D5D70?

Any network device with a MAC address starting 70:B3:D5:D7:0 was manufactured by or for Rational Production srl Unipersonale.

MA-S · OUI prefix

Rational Production srl Unipersonale

Q: Who owns MAC prefix 70B3D5D70?

70B3D5D70 is registered to Rational Production srl Unipersonale in the IEEE MA-S registry.

Any MAC address starting 70:B3:D5:D7:0 is registered to Rational Production srl Unipersonale in IT.

OUI prefix	70B3D5D70
Vendor	Rational Production srl Unipersonale
Registry	MA-S (36-bit, small block)
Country	IT
Example MAC	70:B3:D5:D7:0:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5D70 to Rational Production srl Unipersonale. 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:D7:0, it is Rational Production srl Unipersonale hardware.

Other Rational Production srl Unipersonale prefixes

Rational Production srl Unipersonale holds 2 registered blocks in total.

8C1F6498E

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