Who owns MAC prefix 70B3D5F44?

70B3D5F44 is registered to Magneti Marelli S.p.A. Electronics in the IEEE MA-S registry.

What devices use 70B3D5F44?

Any network device with a MAC address starting 70:B3:D5:F4:4 was manufactured by or for Magneti Marelli S.p.A. Electronics.

MA-S · OUI prefix

Magneti Marelli S.p.A. Electronics

Any MAC address starting 70:B3:D5:F4:4 is registered to Magneti Marelli S.p.A. Electronics in IT.

OUI prefix	70B3D5F44
Vendor	Magneti Marelli S.p.A. Electronics
Registry	MA-S (36-bit, small block)
Country	IT
Example MAC	70:B3:D5:F4:4:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5F44 to Magneti Marelli S.p.A. Electronics. 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:F4:4, it is Magneti Marelli S.p.A. Electronics hardware.

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