Who owns MAC prefix 9C69B4B?

9C69B4B is registered to Toughdog Security Systems in the IEEE MA-M registry.

What devices use 9C69B4B?

Any network device with a MAC address starting 9C:69:B4:B was manufactured by or for Toughdog Security Systems.

MA-M · OUI prefix

Toughdog Security Systems

Any MAC address starting 9C:69:B4:B is registered to Toughdog Security Systems in US.

OUI prefix	9C69B4B
Vendor	Toughdog Security Systems
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	9C:69:B4:B:00:00:00

What this means

The IEEE assigned the MA-M block 9C69B4B 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 9C:69:B4:B, it is Toughdog Security Systems hardware.

Other Toughdog Security Systems prefixes

Toughdog Security Systems holds 2 registered blocks in total.

70B3D5A32

Look up another MAC