RCH ITALIA SPA - MAC Prefix 70B3D599B (MA-S)

What this means

The IEEE assigned the MA-S block 70B3D599B to RCH ITALIA 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 70:B3:D5:99:B, it is RCH ITALIA SPA hardware.

Frequently Asked Questions

Who owns MAC prefix 70B3D599B?

70B3D599B is registered to RCH ITALIA SPA in the IEEE MA-S registry.

What does the MA-S registry type mean?

An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. RCH ITALIA SPA's block covers 4,096 addresses.

What devices use 70B3D599B?

Any network device with a MAC address starting 70:B3:D5:99:B was manufactured by or for RCH ITALIA SPA.

Other RCH ITALIA SPA prefixes

RCH ITALIA SPA holds 9 registered blocks in total.

OUI prefix	70B3D599B
Vendor	RCH ITALIA SPA
Registry	MA-S (36-bit, small block)
Block size	4,096 addresses
Country	IT
Other blocks by this vendor	9 total
Example MAC	70:B3:D5:99:B:00:00:00