Who owns MAC prefix 70B3D5E45?

70B3D5E45 is registered to Momentum Data Systems in the IEEE MA-S registry.

What devices use 70B3D5E45?

Any network device with a MAC address starting 70:B3:D5:E4:5 was manufactured by or for Momentum Data Systems.

MA-S · OUI prefix

Momentum Data Systems

Any MAC address starting 70:B3:D5:E4:5 is registered to Momentum Data Systems in US.

OUI prefix	70B3D5E45
Vendor	Momentum Data Systems
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:E4:5:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5E45 to Momentum Data Systems. 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:E4:5, it is Momentum Data Systems hardware.

Other Momentum Data Systems prefixes

Momentum Data Systems holds 4 registered blocks in total.

001BC5020 001BC5077 70B3D5116

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