Who owns MAC prefix 0018C1?

0018C1 is registered to Almitec Informática e Comércio in the IEEE MA-L registry.

What devices use 0018C1?

Any network device with a MAC address starting 00:18:C1 was manufactured by or for Almitec Informática e Comércio.

MA-L · OUI prefix

Almitec Informática e Comércio

Any MAC address starting 00:18:C1 is registered to Almitec Informática e Comércio in BR.

OUI prefix	0018C1
Vendor	Almitec Informática e Comércio
Registry	MA-L (24-bit, large block)
Country	BR
Example MAC	00:18:C1:00:00:00

What this means

The IEEE assigned the MA-L block 0018C1 to Almitec Informática e Comércio. 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 00:18:C1, it is Almitec Informática e Comércio hardware.

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