Who owns MAC prefix 70B3D501C?

70B3D501C is registered to Kumu Networks in the IEEE MA-S registry.

What devices use 70B3D501C?

Any network device with a MAC address starting 70:B3:D5:01:C was manufactured by or for Kumu Networks.

MA-S · OUI prefix

Kumu Networks

Any MAC address starting 70:B3:D5:01:C is registered to Kumu Networks in US.

OUI prefix	70B3D501C
Vendor	Kumu Networks
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:01:C:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D501C to Kumu Networks. 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:D5:01:C, it is Kumu Networks hardware.

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