Golang : How do I get the local IP (non-loopback) address ?



Tags : golang ip-address

There are times we need to know the local machine IP address to send data packets to other services/server/clients and in this tutorial will show you how to get it done. The code below will find out the local machine IP non-loopback addresses.

 package main

 import (
 "fmt"
 "net"
 "os"
 )

 func main() {

 addrs, err := net.InterfaceAddrs()

 if err != nil {
 fmt.Println(err)
 os.Exit(1)
 }

 for _, address := range addrs {

 // check the address type and if it is not a loopback the display it
 if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
 if ipnet.IP.To4() != nil {
 fmt.Println(ipnet.IP.String())
 }

 }
 }

 }

You might be interested to read how to get client IP address tutorial as well.



Tags : golang ip-address

By Adam Ng

IF you gain some knowledge or the information here solved your programming problem. Please consider donating to the less fortunate or some charities that you like. Apart from donation, planting trees, volunteering or reducing your carbon footprint will be great too.


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