Several ways to query public IP Address on Linux

by do son · May 12, 2017

Using curl
+ Plain text formatted output

curl icanhazip.com
curl ifconfig.me
curl curlmyip.com
curl ip.appspot.com
curl ipinfo.io/ip
curl ipecho.net/plain
curl www.trackip.net/i

+ JSON formatted output

curl ipinfo.io/json
curl ifconfig.me/all.json
curl www.trackip.net/ip?json

+ XML formatted output

curl ifconfig.me/all.xml

+ Get all the IP details

curl ifconfig.me/all

Use wget

wget http://ipecho.net/plain -O - -q ; echo
wget http://observebox.com/ip -O - -q ; echo

Use host or dig

host -t a dartsclink.com | sed 's/.*has address //'
dig +short myip.opendns.com @resolver1.opendns.com

Use bash

#!/bin/bash
PUBLIC_IP=`wget http://ipecho.net/plain -O - -q ; echo`
echo $PUBLIC_IP

Use netcat

netcat icanhazip.com 80 <<< $'GET / HTTP/1.1\nHost: icanhazip.com\n\n' | tail -n1