What this means

The IEEE assigned the MA-L block 40984C to Casacom Solutions AG. 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 40:98:4C, it is Casacom Solutions AG hardware.

Frequently Asked Questions

Who owns MAC prefix 40984C?

40984C is registered to Casacom Solutions AG 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. Casacom Solutions AG's block covers 16,777,216 addresses.

What devices use 40984C?

Any network device with a MAC address starting 40:98:4C was manufactured by or for Casacom Solutions AG.