Who owns MAC prefix 70B3D5E8E?

70B3D5E8E is registered to Macnica Technology in the IEEE MA-S registry.

What devices use 70B3D5E8E?

Any network device with a MAC address starting 70:B3:D5:E8:E was manufactured by or for Macnica Technology.

MA-S · OUI prefix

Macnica Technology

Any MAC address starting 70:B3:D5:E8:E is registered to Macnica Technology in US.

OUI prefix	70B3D5E8E
Vendor	Macnica Technology
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:E8:E:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5E8E to Macnica Technology. 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:E8:E, it is Macnica Technology hardware.

Other Macnica Technology prefixes

Macnica Technology holds 2 registered blocks in total.

0CBFB42

Look up another MAC