What this means
The IEEE assigned the MA-L block 02AA3C to OLIVETTI TELECOMM SPA (OLTECO). 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 02:AA:3C, it is OLIVETTI TELECOMM SPA (OLTECO) hardware.
Frequently Asked Questions
Who owns MAC prefix 02AA3C?
02AA3C is registered to OLIVETTI TELECOMM SPA (OLTECO) 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. OLIVETTI TELECOMM SPA (OLTECO)'s block covers 16,777,216 addresses.
What devices use 02AA3C?
Any network device with a MAC address starting 02:AA:3C was manufactured by or for OLIVETTI TELECOMM SPA (OLTECO).