Who owns MAC prefix 00AA3C?

00AA3C is registered to OLIVETTI TELECOM SPA (OLTECO) in the IEEE MA-L registry.

What devices use 00AA3C?

Any network device with a MAC address starting 00:AA:3C was manufactured by or for OLIVETTI TELECOM SPA (OLTECO).

MA-L · OUI prefix

OLIVETTI TELECOM SPA (OLTECO)

Any MAC address starting 00:AA:3C is registered to OLIVETTI TELECOM SPA (OLTECO) in US.

OUI prefix	00AA3C
Vendor	OLIVETTI TELECOM SPA (OLTECO)
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:AA:3C:00:00:00

What this means

The IEEE assigned the MA-L block 00AA3C to OLIVETTI TELECOM 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 00:AA:3C, it is OLIVETTI TELECOM SPA (OLTECO) hardware.

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