Who owns MAC prefix 70B3D58B3?

70B3D58B3 is registered to Firefly RFID Solutions in the IEEE MA-S registry.

What devices use 70B3D58B3?

Any network device with a MAC address starting 70:B3:D5:8B:3 was manufactured by or for Firefly RFID Solutions.

MA-S · OUI prefix

Firefly RFID Solutions

Any MAC address starting 70:B3:D5:8B:3 is registered to Firefly RFID Solutions in US.

OUI prefix	70B3D58B3
Vendor	Firefly RFID Solutions
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:8B:3:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D58B3 to Firefly RFID Solutions. 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:D5:8B:3, it is Firefly RFID Solutions hardware.

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