Who owns MAC prefix 1C11E1?

1C11E1 is registered to Wartsila Finland Oy in the IEEE MA-L registry.

What devices use 1C11E1?

Any network device with a MAC address starting 1C:11:E1 was manufactured by or for Wartsila Finland Oy.

MA-L · OUI prefix

Wartsila Finland Oy

Any MAC address starting 1C:11:E1 is registered to Wartsila Finland Oy in FI.

OUI prefix	1C11E1
Vendor	Wartsila Finland Oy
Registry	MA-L (24-bit, large block)
Country	FI
Example MAC	1C:11:E1:00:00:00

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.

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