Who owns MAC prefix 70B3D55A7?

70B3D55A7 is registered to ABB S.p.A. in the IEEE MA-S registry.

What devices use 70B3D55A7?

Any network device with a MAC address starting 70:B3:D5:5A:7 was manufactured by or for ABB S.p.A..

MA-S · OUI prefix

ABB S.p.A.

Any MAC address starting 70:B3:D5:5A:7 is registered to ABB S.p.A. in IT.

OUI prefix	70B3D55A7
Vendor	ABB S.p.A.
Registry	MA-S (36-bit, small block)
Country	IT
Example MAC	70:B3:D5:5A:7:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D55A7 to ABB S.p.A.. 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:D5:5A:7, it is ABB S.p.A. hardware.

Other ABB S.p.A. prefixes

ABB S.p.A. holds 2 registered blocks in total.

8C1F64CF3

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