What this means
The IEEE assigned the MA-L block 000313 to Access Media 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 00:03:13, it is Access Media SPA hardware.
Frequently Asked Questions
Who owns MAC prefix 000313?
000313 is registered to Access Media 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. Access Media SPA's block covers 16,777,216 addresses.
What devices use 000313?
Any network device with a MAC address starting 00:03:13 was manufactured by or for Access Media SPA.