Who owns MAC prefix 70B3D552F?

70B3D552F is registered to R.C. Systems Inc in the IEEE MA-S registry.

What devices use 70B3D552F?

Any network device with a MAC address starting 70:B3:D5:52:F was manufactured by or for R.C. Systems Inc.

MA-S · OUI prefix

R.C. Systems Inc

Any MAC address starting 70:B3:D5:52:F is registered to R.C. Systems Inc in US.

OUI prefix	70B3D552F
Vendor	R.C. Systems Inc
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:52:F:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D552F to R.C. Systems Inc. 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:D5:52:F, it is R.C. Systems Inc hardware.

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