How to get external IP successfully

Question

After reading: Getting the 'external' IP address in Java

code:

public static void main(String[] args) throws IOException
{
    URL whatismyip         


        

Answer 1

While playing with Go I saw your question. I made a quick App on Google App Engine using Go:

Hit this URL:

http://agentgatech.appspot.com/

Java code:

new BufferedReader(new InputStreamReader(new URL('http://agentgatech.appspot.com').openStream())).readLine()

Go code for the app which you can copy and make your own app:

package hello

import (
    "fmt"
    "net/http"
)

func init() {
    http.HandleFunc("/", handler)
}

func handler(w http.ResponseWriter, r *http.Request) {
    fmt.Fprint(w, r.RemoteAddr)
}