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.
Frequently Asked Questions
Who owns MAC prefix 00603B?
00603B is registered to AMTEC spa 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. AMTEC spa's block covers 16,777,216 addresses.
What devices use 00603B?
Any network device with a MAC address starting 00:60:3B was manufactured by or for AMTEC spa.