Batch File Ping

ECHO OFF
SET NET_1 = 192.168.0.
SET NET_2 = 192.168.1.
SET VAR_1 = C:\HasilPing_Baru.txt
SET VAR_2 = C:\HasilPing_Lama.txt
IF EXIST %VAR_1%
COPY %VAR_1% %VAR_2%
CLS
ECHO Lagi dikerjakan.
FOR /L %%I IN (10,10,254) DO PING %NET_1% %%I >> %VAR_1%
FOR /L %%I IN (10,10,254) DO PING %NET_2% %%I >> %VAR_1%