Start DOS prompt as Administrator.

for /l %i in (1,1,254) do ping -n 1 10.10.10.%i >> sweep.txt

Use iperf3.exe to test bandwidth between a client and server by using iperf3 on the command line.

On the server…

iperf3 -s

On the client…

iperf3 -c <host>

Tip: Within File Explorer press shift and right click mouse allows you to open a command line from the directory the executable is in.