You won’t be able to login to Router without knowing its IP Address, you can find below the steps to Find Router IP Address using Windows PC, Mac and iPhone
Find Your Router’s IP Address
In order to make it easy for users to Login to Router, manufacturers ship Routers with a Default IP Address and make this information easy to find.
For example, Router Manufacturers like D-Link and Linksys use 192.168.0.1 and 192.168.1.1 as the Default IP Address and make this information available on their websites.
If you are unable to login to Router using its default IP Address, it is likely that someone has changed the IP Address of your Router and you won’t be able to login to Router without finding its current IP Address.
1. Find Default Router IP Address
If you did not change the IP Address of your Router or Modem/Router, you should be able to find its default IP Address in the User Manual that came with the Router.
You can also find the Default IP Address of Router printed on a sticker or label attached to bottom portion of the Router.
Popular Router manufacturers like D-link and LinkSys use 192.168.0.1 and 192.168.1.1 as the Default Router IP Address and make this information available on their websites.
If the Default IP Address of Router has been changed by you or the service provider, you can find its current IP Address by using other methods as provided below.
2. Find Router IP Address Using Windows Computer
The easiest way to find the IP Address of a Router on a Windows 11/10 computer is by using Command Prompt.
1. Type Command Prompt in Windows search bar > right-click on Command Prompt and select Run as Admin.
2. In the Command Prompt window, type ipconfig/all and press the Enter key.
3. Once the command is executed, scroll down the list of entries to “WiFi” or “Ethernet” section and you will see the curent IP Address of Router listed next to DHCP Server entry.
3. Find Router IP Address Using Mac
If you are using a Mac, you can find the IP Address of your Router using the following steps
1. Click on Apple Logo in top-menu bar and select System Preferences or System Settings in the drop-down menu.
2. On System Preferences screen, click on the Network icon.
3. On the Network screen, select (WiFi or Ethernet) in the left-pane. In the right-pane, you will find the IP Address of Router mentioned next to the Router Entry.
4. Find Router IP Address Using iPhone
Perhaps the easiest way to the find the current IP Address of a Router is by using an iPhone.
1. Go to Settings > WiFi and select your WiFi Network Name.
2. On the next screen, you can find the IP Address of your Router listed next to the Router entry, under “IPV4 Address” section. 
Once you know the IP Address of Modem/Router unit, you can login to the Router by typing its IP Address in any web browser.
