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 #!/usr/bin/env bash

 ## route tracking module

 set +e

 ## install traceroute
 apt-get -y install traceroute

 ## Routing ASN
 routes = (AS4134 AS4837 AS9808 AS4538 AS4809 AS9929 AS2914 AS2497 AS2516 AS4725 AS3491 AS9269 AS4635 AS4760 AS58453 AS4637 AS64050 AS6939 AS174 AS3356 AS3257 AS6461 AS701 AS7018 AS1239 AS1299 AS6453 AS6830 AS5511 AS6762 AS3320)

 ## ISP name corresponding to ASN
 routes_name=(163 169 CMNET CERNET CN2 CU-VIP NTT IIJ KDDI SoftBank PCCW HKBN HKIX HKT CMI Telstra BGPNET HE Cogent LEVEL3 GTT Zayo Verizon ATT T-Mobile Arelion TATA Liberty Orange SPARKLE Deutsche)

 ## Routing test destination IP (corresponding to China Telecom, China Unicom, China Mobile)
 ct_ip= "116.228.111.118"
 cu_ip= "210.22.70.3"
 cm_ip= "211.136.112.50"

 ## Use ipinfo.io to get the ASN corresponding to ip
 ipinfo_token= "56c375418c62c9"

 route_test (){

 TERM=ansi whiptail --title "Route test" --infobox "Route test, please be patient." 7 68

 ## Test the route and summarize the results
 traceroute ${ct_ip} -n -T -m 20 | tail -n +2 &> route_all.txt
 traceroute ${cu_ip} -n -T -m 20 | tail -n +2 &>> route_all.txt
 traceroute ${cm_ip} -n -T -m 20 | tail -n +2 &>> route_all.txt

 ips=()
 asns=()
 route_vps=()

 ## filter out IP
 while IFS= "" read -rp || [ -n " ​​$p " ]
 do
 ip=$( printf '%s\n' " $p " | cut -d ' ' -f4)
 if [[ $ip =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
 ips+=( $ip )
 fi
 done < route_all.txt

 ## Get the ASN corresponding to the IP
 for ip in " ${ips[@]} " ; do
 asns+=($(curl --retry 5 -s https://ipinfo.io/ ${ip} /org?token= ${ipinfo_token} --connect-timeout 300 | cut -d ' ' -f1 ))
 if [[ $ip = 59.43* ]] ; then
 route_vps+=(AS4809)
 fi
 done

 ## Compare with the predefined list to find out the ASN related to the route
 for asn in " ${asns[@]} " ; do
 for route in " ${routes[@]} " ; do
 if echo " $asn " | grep -q " $route " ; then
 route_vps+=( $route )
 fi
 done
 done

 rm route_all.txt
 rm route.txt &> /dev/null

 ## Map ASN to predefined ISP name
 for i in " ${!route_vps[@]} " ; do
 for o in " ${!routes[@]} " ; do
 if [[ " ${route_vps[$i]} " == " ${routes[$o]} " ]]; then
 echo " ${routes_name[$o]} " >> route.txt
 fi
 done
 done

 ## result deduplication
 route_final=$( cat route.txt | sort | uniq | tr '\n' ' ' )

 ## output result
 echo $route_final

 rm route.txt
 }
 ## execute the test
 route_test 

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 curl --retry 5 -LO https://raw.githubusercontent.com/johnrosen1/vpstoolbox/master/install/route.sh
 source route.sh
 route_test

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 169 CMNET IIJ Telstra
 root@cloud:~ #