What this means
The IEEE assigned the MA-L block 1C48F9 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 1C:48:F9, it is GN Netcom A/S hardware.
Frequently Asked Questions
Who owns MAC prefix 1C48F9?
1C48F9 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 1C48F9?
Any network device with a MAC address starting 1C:48:F9 was manufactured by or for GN Netcom A/S.