What this means

The IEEE assigned the MA-L block C0555C to Impulse Labs. 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 C0:55:5C, it is Impulse Labs hardware.

Frequently Asked Questions

Who owns MAC prefix C0555C?

C0555C is registered to Impulse Labs in the IEEE MA-L registry.

What does the MA-L registry type mean?

An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Impulse Labs's block covers 16,777,216 addresses.

What devices use C0555C?

Any network device with a MAC address starting C0:55:5C was manufactured by or for Impulse Labs.