#!/bin/bash
geolocate() {
    ip=$1
    (wget -O - -q "http://api.hostip.info/get_html.php?ip=$ip";echo "") |(
        while read key value; do
            case $key in
                "Country:")
                country=$value
                ;;
                "City:")
                city=$value
                ;;
            esac
        done

        if [ "$city" != "(Unknown City?)" -a "$city" != "(Unknown city)" -a "$city" != "(Private Address)" ]; then
            echo "  $city  $country "
        elif [ "$country" != "(Unknown Country?) (XX)" -a "$country" != "(Private Address) (XX)" ]; then
            echo "  $country"
        else
            echo ""
        fi
    )
}

traceroute $* |(
    while read line; do

        if [ `echo "$line" | egrep -c "^[[:space:]]*[[:digit:]]+[[:space:]]+[^ ]*[[:space:]]+\([^ )]*\)"` -gt 0 ]; then
            ip=`echo "$line" |sed "s/^ *[0-9]\+ \+[^ ]* \+(\([^)]\+\)).*/\1/"`
        elif [ `echo "$line" | egrep -c "[[:space:]]*[[:digit:]]+[[:space:]]+[^ ]*[[:space:]]+[^\(]"` -gt 0 ]; then
            ip=`echo "$line" |sed "s/^ *[0-9]\+ \+\([^ ]\+\).*/\1/"`
        else
            ip=""
        fi

        echo -n "$line"
        if [ "$ip" != "" ]; then
            geolocate "$ip"
        fi
    done
)