What this means

The IEEE assigned the MA-L block 50C971 to GN Netcom A/S. 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 50:C9:71, it is GN Netcom A/S hardware.

Frequently Asked Questions

Who owns MAC prefix 50C971?

50C971 is registered to GN Netcom A/S 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. GN Netcom A/S's block covers 16,777,216 addresses.

What devices use 50C971?

Any network device with a MAC address starting 50:C9:71 was manufactured by or for GN Netcom A/S.