What this means
The IEEE assigned the MA-M block 6C4780E to Alban Giacomo S.p.a.. 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 6C:47:80:E, it is Alban Giacomo S.p.a. hardware.
Frequently Asked Questions
Who owns MAC prefix 6C4780E?
6C4780E is registered to Alban Giacomo S.p.a. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Alban Giacomo S.p.a.'s block covers 1,048,576 addresses.
What devices use 6C4780E?
Any network device with a MAC address starting 6C:47:80:E was manufactured by or for Alban Giacomo S.p.a..