Who owns MAC prefix 001BC5066?

001BC5066 is registered to Manufacturas y transformados AB in the IEEE MA-S registry.

What devices use 001BC5066?

Any network device with a MAC address starting 00:1B:C5:06:6 was manufactured by or for Manufacturas y transformados AB.

MA-S · OUI prefix

Manufacturas y transformados AB

Any MAC address starting 00:1B:C5:06:6 is registered to Manufacturas y transformados AB in ES.

OUI prefix	001BC5066
Vendor	Manufacturas y transformados AB
Registry	MA-S (36-bit, small block)
Country	ES
Example MAC	00:1B:C5:06:6:00:00:00

What this means

The IEEE assigned the MA-S block 001BC5066 to Manufacturas y transformados AB. 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 00:1B:C5:06:6, it is Manufacturas y transformados AB hardware.

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