Who owns MAC prefix 70B3D5D37?

70B3D5D37 is registered to Sicon srl in the IEEE MA-S registry.

What devices use 70B3D5D37?

Any network device with a MAC address starting 70:B3:D5:D3:7 was manufactured by or for Sicon srl.

MA-S · OUI prefix

Sicon srl

Any MAC address starting 70:B3:D5:D3:7 is registered to Sicon srl in IT.

OUI prefix	70B3D5D37
Vendor	Sicon srl
Registry	MA-S (36-bit, small block)
Country	IT
Example MAC	70:B3:D5:D3:7:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5D37 to Sicon srl. 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:D3:7, it is Sicon srl hardware.

Other Sicon srl prefixes

Sicon srl holds 28 registered blocks in total.

70B3D504D 70B3D5145 70B3D530C 70B3D536C 70B3D53B2 70B3D5690 70B3D56C8 70B3D57C7 70B3D5A35 70B3D5BEE 70B3D5C82 70B3D5D49 all 28 »

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