What this means
The IEEE assigned the MA-L block 1C11E1 to Wartsila Finland Oy. 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:11:E1, it is Wartsila Finland Oy hardware.
Frequently Asked Questions
Who owns MAC prefix 1C11E1?
1C11E1 is registered to Wartsila Finland Oy 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. Wartsila Finland Oy's block covers 16,777,216 addresses.
What devices use 1C11E1?
Any network device with a MAC address starting 1C:11:E1 was manufactured by or for Wartsila Finland Oy.