My Router's WAN IP is a public IP - 172.100.x.x And my public IP is - 182.x.x.x. Why do I have 2 public IP's? Does this probably mean that my router is behind another router? But then what is the use of configuring 2 public IP's?

The WAN/Public IP will most likely stay the same for all devices connected to the same network. However, if a device connects to a different network, they'll have a different Public IP address. Know the answer? This gets the IP of the interface that serves in/outbound traffic. If you're behind NAT, that will give your LAN address, not WAN address. But it can be useful for a lot of purposes, and it doesn't reach out for network. – folex Jan 11 '19 at 11:25 Oct 07, 2017 · My firewall specifically requests for the IP address and gateway with the subnet being automatically generated when the Public IP is entered. For Instances, 139.139.139.26/32 (/32 Automatically Generates by Firewall) 139.139.138.1. The Modem itself lists the Wan IP as: Public IP: 139.139.139.26. Subnet: 255.255.254.0. Gateway: 139.139.138.1 Ok, so this page shows you your public IP Address. But the MxToolBox WhatIsMyIP also runs a blacklist check on over 100 lists to tell you if you are blacklisted. And we show you the User Agent information your browser reports to websites along with your approximate physical location, proxy information, and reverse DNS. ipify API is a simple public IP address API, easy enough to integrate into any application in seconds. Jul 23, 2016 · 1) WAN facing interface ? Does it mean something like : Each router will have an ip address towards my computer and another ip address which it uses to connect to other router or internet ? 2) what is ISP PE router ? 3) In my case the WAN IP is 10.xxxx. This is basically the ip addres ofmy router only ?

This gets the IP of the interface that serves in/outbound traffic. If you're behind NAT, that will give your LAN address, not WAN address. But it can be useful for a lot of purposes, and it doesn't reach out for network. – folex Jan 11 '19 at 11:25

What is an IP address? Your internet service provider assigns a numeric label, called the Internet Protocol (IP) address, to identify your device among billions of others. In a way, an IP functions as an online home address, because devices use IPs to find and communicate with each other. Here’s how an IP directs data to its destination.

- Meanwhile the modem will have a LAN IP address (private gateway IP address) such as 192.168.1.1 toward the connected computers and a WAN IP address (public IP address) toward the ISP. 3) A computer connects to Internet via a wired/wireless router which in turn connects to Internet via a broadband (DSL/cable/3G/3.5G/4G) modem.

There are two protocols for IP addresses: IPv4 and IPv6. Lookup IP Version 4 (IPv4) address, IP Version 6 (IPv6) address, hostname, and user agent information.