Cut the script below and save as scanip.bat

@echo off
if .%1==. goto NONET
rem batch file to scan ip sub-net
rem pseudo class c address required
rem eg 192.168.0
rem scan first 9 addresses:
for %%z in (1 2 3 4 5 6 7 8 9) do ping -n 1 %1.%%z | arp -a | find "%1.%%z " 
rem batch files don't have x++ so use for to loop through digits and concantenate:
rem scan .10 to .99 :
for %%y in (1 2 3 4 5 6 7 8 9) do for %%x in (0 1 2 3 4 5 6 7 8 9) do ping -n 1 %1.%%y%%x | arp -a | find "%1.%%y%%x " 
rem scan .100 to .199 :
for %%y in (0 1 2 3 4 5 6 7 8 9) do for %%x in (0 1 2 3 4 5 6 7 8 9) do ping -n 1 %1.1%%y%%x | arp -a | find "%1.1%%y%%x " 
rem scan .200 to .249 :
for %%y in (0 1 2 3 4) do for %%x in (0 1 2 3 4 5 6 7 8 9) do ping -n 1 %1.2%%y%%x | arp -a | find "%1.2%%y%%x "
rem finish last 5 addresses:
for %%z in (250 251 252 253 254) do ping -n 1 %1.%%z | arp -a | find "%1.%%z "
goto END

:NONET
echo The start of a pseudo class C address must be given eg
echo %0 192.168.0
goto END

:END