Knowledge for the World

How to change or reset your router username and password

There’s got to be some way in!
  • by Ash (25)
  • 5 minutes

It's time to log into your router, but how do we get in? Most devices come with a set of default credentials, but sometimes that's not enough. In this guide, we'll go over the router authentication and reset process for 2018's most popular ISPs.

Top ISPs of 2018
Comcast XFinity
Charter Spectrum
AT&T U-verse
Verizon Fios
CenturyLink Internet
Cox Internet
Altice Optimum Online
Frontier Internet
1

First things first, we need to know what we're working with. ISPs usually provide customers a combination device that provides the utilities of both a modem and a router. Modems connect your home with the ISP to provide internet service, while routers are used to share that connection with devices on your network.

Give your device a good look over. You want to look for any sticker that might have identifying information. Take note of the router model.

2

In order to log into a router, you need to find the right address. In most cases, this is an IP address. However, some ISPs use their own router management software to help their customers adjust network settings.

This table shows the proper address for the most common ISPs.

ISPLogin Address
Comcast XFinity10.0.0.1
Charter Spectrum192.168.0.1
AT&T U-verse192.168.1.254
Verizon Fios192.168.1.1
CenturyLink Internet192.168.0.1
Cox InternetAddress Varies; Full list here
Altice Optimum Onlinehttps://www.optimum.net
Frontier InternetAddress Varies; Full list here
3

Once you've located the right address, you can use it to reach the router login screen. Enter the address into a browser window and press enter.

4

When an ISP ships out a modem or router for you to use, it likely came with a default username and password. Below is a chart of the most common ISPs default usernames and passwords. Use the appropriate information to log into your router.

ISPUsername/Password
Comcast XFinityadmin/password
Charter Spectrumadmin/password; Some variation
AT&T U-verseSmart Home Manager
Verizon Fiosadmin/password; Some variation
CenturyLink InternetLogin varies; Check device
Cox Internetadmin/password
Altice Optimum OnlineOptimum Online Credentials
Frontier InternetLogin varies; Check device
5

For some authentication issues, you may find it's necessary to factory reset the router. This process will wipe the existing credentials, restoring them to default. You can review the below chart for specific factory reset processes.

ISPUsername/Password
Comcast XFinityVia Xfinity Router Admin Tool
Charter SpectrumVia Spectrum online tool
AT&T U-verseReset button; Details here
Verizon FiosReset button; Details here
CenturyLink InternetReset button; Details here
Cox InternetVia My Wifi tool
Altice Optimum OnlineVia Optimum Online
Frontier InternetReset button; Details here