Who owns MAC prefix 70B3D5A32?

70B3D5A32 is registered to Toughdog Security Systems in the IEEE MA-S registry.

What devices use 70B3D5A32?

Any network device with a MAC address starting 70:B3:D5:A3:2 was manufactured by or for Toughdog Security Systems.

MA-S · OUI prefix

Toughdog Security Systems

Any MAC address starting 70:B3:D5:A3:2 is registered to Toughdog Security Systems in US.

OUI prefix	70B3D5A32
Vendor	Toughdog Security Systems
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:A3:2:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5A32 to Toughdog Security 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:A3:2, it is Toughdog Security Systems hardware.

Other Toughdog Security Systems prefixes

Toughdog Security Systems holds 2 registered blocks in total.

9C69B4B

Look up another MAC