#!/bin/sh

if [ $# -ne 1 ] || [ "$1" = "-h" ] ; then
    cat<<EOF
Usage: ${1##*/} IP

Print the map of the network associated to the provided IP.

EOF

    exit
fi

## Network operations
if ! command -v nmap >/dev/null; then
    echo "nmap required."
    exit
fi

echo "$1"
for SCANIP in $( nmap -sL "$1" | grep -i "\([[:digit:]]\+\.\)\{3,\}[[:digit:]]\+" | awk '{print $5}' ); do
    sudo nmap -oX - -n -sT -T Normal -O -sR -I -F -P0 "$SCANIP"
    echo
done