What this means
The IEEE assigned the MA-L block 0C4F5A to ASA-RT s.r.l.. 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 0C:4F:5A, it is ASA-RT s.r.l. hardware.
Frequently Asked Questions
Who owns MAC prefix 0C4F5A?
0C4F5A is registered to ASA-RT s.r.l. 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. ASA-RT s.r.l.'s block covers 16,777,216 addresses.
What devices use 0C4F5A?
Any network device with a MAC address starting 0C:4F:5A was manufactured by or for ASA-RT s.r.l..