Who owns MAC prefix 70B3D55C5?

70B3D55C5 is registered to Haag-Streit AG in the IEEE MA-S registry.

What devices use 70B3D55C5?

Any network device with a MAC address starting 70:B3:D5:5C:5 was manufactured by or for Haag-Streit AG.

MA-S · OUI prefix

Haag-Streit AG

Any MAC address starting 70:B3:D5:5C:5 is registered to Haag-Streit AG in CH.

OUI prefix	70B3D55C5
Vendor	Haag-Streit AG
Registry	MA-S (36-bit, small block)
Country	CH
Example MAC	70:B3:D5:5C:5:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D55C5 to Haag-Streit AG. 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:D5:5C:5, it is Haag-Streit AG hardware.

Other Haag-Streit AG prefixes

Haag-Streit AG holds 2 registered blocks in total.

584849C

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