Check your router’s sticker or manual. If changed and forgotten, you must reset the router.

: If the page won't load, your router may be using a more standard address like 192.168.1.1 or 192.168.0.1 .

No. Only routers specifically configured with that IP address as their LAN gateway will respond to it. Most consumer routers use 192.168.0.1 or 192.168.1.1.

IP addresses only use digits (0-9). Replacing "1" with the lowercase letter "l" creates an invalid address.