How to query public IP Address on Linux

An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. An IP address serves two main functions: host or network interface identification and location addressing.

How to query public IP Address on Linux

1. 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

2. Use wgetwget http://ipecho.net/plain -O – -q ; echo
   wget http://observebox.com/ip -O – -q ; echo
3. Use host or dighost -t a dartsclink.com | sed ‘s/.*has address //’
   dig +short myip.opendns.com @resolver1.opendns.com
4. Use bash#!/bin/bash PUBLIC_IP=`wget http://ipecho.net/plain -O – -q ; echo` echo $PUBLIC_IP
5. Use netcatnetcat icanhazip.com 80 <<< $’GET / HTTP/1.1\nHost: icanhazip.com\n\n’ | tail -n1