Who owns MAC prefix 70B3D5F76?

70B3D5F76 is registered to Thermo Fisher Scientific in the IEEE MA-S registry.

What devices use 70B3D5F76?

Any network device with a MAC address starting 70:B3:D5:F7:6 was manufactured by or for Thermo Fisher Scientific.

MA-S · OUI prefix

Thermo Fisher Scientific

Any MAC address starting 70:B3:D5:F7:6 is registered to Thermo Fisher Scientific in US.

OUI prefix	70B3D5F76
Vendor	Thermo Fisher Scientific
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:F7:6:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5F76 to Thermo Fisher Scientific. 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:F7:6, it is Thermo Fisher Scientific hardware.

Other Thermo Fisher Scientific prefixes

Thermo Fisher Scientific holds 3 registered blocks in total.

001E76 70B3D5D69

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