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benfairless/ipfreely.sh

Last active August 29, 2015 14:14
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Test for free IP addresses
Raw
ipfreely.sh
#!/bin/bash
echo "Test of free IP addresses in 192.168.4.0/24 - Generated $(date +%d/%m/%Y\ %H:%M)"
for i in {1..254}; do
ADDR=192.168.4.$i
ping -c 1 $ADDR 2>&1 >/dev/null
if [ $? != 0 ]; then
echo "FREE - $ADDR"
else
echo "USED - $ADDR"
fi
done
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