Check the router label
Open Command Prompt or Terminal
Run `ipconfig` on Windows
Look for the Default Gateway
Run `ip route` on Linux
Run `netstat -rn` on macOS or Linux
Open Network Settings
View the connected Wi-Fi or Ethernet details
Find the Router, Gateway, or Default Gateway address
Use `192.168.1.1` or `192.168.0.1` if needed
Check the router manual or ISP documentation