lookup traceroute result using bgp.he.net

show_aspath.sh

#!/bin/bash

lookup_single_ip() {
    local ip=$1; shift
    # 从bgp.he.net获取AS信息. e.g., <td>CHINANET Shanghai province network</td>
    local data=$(curl -L http://bgp.he.net/ip/$ip 2>/dev/null | grep -A 30 'Announced By' | egrep '^\s*<td>.*</td>\s*$' | egrep -v 'AS[0-9]*</a>' | uniq)
    # 从<td>标签中取值. e.g., CHINANET Shanghai province network
    Lookup_single_ip=$(echo $data | awk -F '<' '{print $2}' | awk -F '>' '{print $2}')
}

do_traceroute() {
    local ip=$1; shift
    local src_ip=$1; shift

    if [[ -n $src_ip ]]; then
        Do_traceroute=$(traceroute -s $src_ip -w 2 -n $ip 2>/dev/null | grep -v '* * *' | grep -v '^traceroute to' | awk '{print $2}' | egrep -v '^192.168' | egrep -v '^10.' | egrep -v '172.1[6789]' | egrep -v '172.2[0-9]' | egrep -v '172.3[12]')
    else
        Do_traceroute=$(traceroute -w 2 -n $ip 2>/dev/null | grep -v '* * *' | grep -v '^traceroute to' | awk '{print $2}' | egrep -v '^192.168' | egrep -v '^10.' | egrep -v '172.1[6789]' | egrep -v '172.2[0-9]' | egrep -v '172.3[12]')
    fi
}

do_showpath() {
        local ip=$1; shift
        local src_ip=$1; shift
        do_traceroute $ip $src_ip

        i=1
        white_space=
        for l in $Do_traceroute
        do
            lookup_single_ip $l

            echo "$i: $Lookup_single_ip($l)"
            (( i++ ))
        done
}

if [[ ! -n $1 ]]; then
        echo "Usage: $0 ip srcip"
        echo "       $0 ip_list_file srcip"
else
        if [[ -f $1 ]]; then
                for ip in `cat $1`
                do
                        echo "showpath to: $ip"
                        do_showpath $ip
                done
        else
                echo "showpath to: $1"

		if [[ -n $2 ]]; then
			do_showpath $1 $2
		else
			do_showpath $1
		fi
        fi
fi