How to change the IP Address on a NetComm 4G100W router

This page shows how to change the LAN IP Address on the NetComm 4G100W router.

Other NetComm 4G100W Guides

What is the LAN IP Address of a Router

The LAN IP Address of a router is also known as its internal IP address. It is also the IP address that you connect to when you want to configure your router. It is only useful from inside your network and has no use from the Internet side.

Routers have 2 IP addresses: an internal ip address and an external ip address. The external IP address is assigned to you by your Internet Service Provider, or ISP, and is generally not something that you can change. The internal IP address is set to a default value at the factory but can be changed if you want.

Common internal IP addresses for routers are:

It is generally a good idea to make the last number of your router's internal IP address a '1', as in or This is not necessary, but many people do it and it makes it a bit easier to remember which IP address is assigned to your router. If you want to change the internal IP address of your router, this guide shows you how.

Login To The NetComm 4G100W

To get started configuring the NetComm 4G100W LAN page you need to login to your router. If you are already logged in you can skip this step.

To login to the NetComm 4G100W, follow our NetComm 4G100W Login Guide.

Change the LAN IP Address on a NetComm 4G100W

If you followed our login guide above then you should see this screen.

Once you have logged into the NetComm 4G100W, it takes you to the Home page. Tick the link at the bottom of the page labeled Switch to Advanced View. Then to change your Router IP Address, the address you are looking at while inside your network, click the choice at the top in the green bar labeled Internet Settings, LAN, and finally IP Config.

Configure the LAN section of your NetComm 4G100W

You are now on the LAN Configuration page. Place your cursor in the first of the four boxes labeled IP Address. This is where you need to enter the new address you have chosen for your Router. Use a common address such as for simplicity. Don't change the Subnet Mask, this should in most cases remain at

When you have finished, click the Save at the bottom of the screen.

Possible Problems when Changing your LAN IP Address

When you change your LAN IP Address you are making a fundamental change to how your network functions and all computers on your network will be affected. You will lose your Internet connection when you apply these changes. Your router may reboot and require a couple of minutes to start responding again.

Also note that some computers may need to be rebooted after you make this change before they can talk to the router or on the Internet again.

Other NetComm 4G100W Info

Don't forget about our other NetComm 4G100W info that you might be interested in.

Rachel Bauer

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Rachel Bauer is an owner and primary author for She is available on Google+ and you can find more of her articles in the Networking section of our site.