The IP address 192.168.1.21 is a private address used to modify Wi-Fi passwords, change the Network Name (SSID), and adjust modem/router settings through its web interface.
How to Log In to 192.168.1.21
- Open your web browser and type http://192.168.1.21 in the address bar.
- Enter the Username and Password, then click Login.
You will be logged in to your router’s configuration settings.
Note: The router’s default IP address, Username, and Password are typically found on a label on the back of the modem or router.
Default Login Credentials for 192.168.1.21
- Username: admin
- Password: admin (or password / leave blank, depending on your router)
(Check the label on your router for confirmation.)
How to Change Your Wi-Fi Password and Network Name
- Log in to the router’s settings interface.
- Navigate to the Wireless, WLAN, or Wi-Fi Settings section.
- In the Network Name (SSID) field, enter the desired Wi-Fi Network Name.
- In the Wi-Fi Password field (sometimes labeled Passphrase or Pre-Shared Key), input your new password.
- Click Save or Apply to save the changes.
For dual-band routers, you may need to configure both the 2.4 GHz and 5 GHz networks separately.
Since the process may vary slightly across different router brands and models, refer to specific instructions for your router brand. You can find more details about various router brands here.
Trouble Accessing 192.168.1.21?
If you’re unable to access 192.168.1.21, ensure that your device is connected to the router’s Wi-Fi network. Check your network connection and try again.
If you’re using a VPN or custom IP range, you may need to find the correct router IP address. Clear your browser’s cookies and browsing data, or try using a different browser.
If all else fails, you can perform a factory reset on your router:
- Press and hold the Reset button for about 3-5 seconds until the LEDs flash.
- Release the reset button and wait for the router to reboot and restore its factory default settings.