Who owns MAC prefix 00603B?

00603B is registered to AMTEC spa in the IEEE MA-L registry.

What devices use 00603B?

Any network device with a MAC address starting 00:60:3B was manufactured by or for AMTEC spa.

MA-L · OUI prefix

AMTEC spa

Any MAC address starting 00:60:3B is registered to AMTEC spa in IT.

OUI prefix	00603B
Vendor	AMTEC spa
Registry	MA-L (24-bit, large block)
Country	IT
Example MAC	00:60:3B:00:00:00

What this means

The IEEE assigned the MA-L block 00603B to AMTEC spa. 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 00:60:3B, it is AMTEC spa hardware.

Look up another MAC