The private IP address 192.168.178.21 is used to change the Wi-Fi password, Network Name (SSID), and other default router settings at http://192.168.178.21.
How to Log In to 192.168.178.21
- Open a web browser and enter http://192.168.178.21 in the address bar.
- Enter your Username and Password, then click Login.
After logging in, you will be redirected to the router’s settings page.
Note: You can find the Router IP Address, Username, and Password on a sticker on the back of your modem/router.
Default Login Credentials for 192.168.178.21
- Username: admin
- Password: admin
- Username: admin
- Password: password
- Username: admin
- Password: (Check the router label)
- Username: admin
- Password: (Leave blank)
How to Change Your Wi-Fi Password and Network Name
- Log in to the router’s settings page.
- Go to Wireless, WLAN, or Wi-Fi Settings.
- Enter your desired Wi-Fi Network Name (SSID).
- Set your preferred Wi-Fi Password in the Wi-Fi Password/Passphrase/Pre-Shared Key field.
- Click Save/Apply to save the changes.
If your router supports dual-band networks, make sure to configure both 2.4 GHz and 5 GHz settings.
Router Brands Using 192.168.178.21
- FRITZ!Box