You want to login to the Asus router page, Open your browser and type router.asus.com or IP address 192.186.1.1 into the URL bar then type username and password then, you can access to the router configuration page. If you still fail, contact our support team.

https://routterasus.com/
https://routterasus.com/how-to-login-asus-router/
https://routterasus.com/repeater-asus-com/
https://routterasus.com/why-router-asus-com-not-working/

I didn't know how domains and IPs work until last month when I tried using the VPN to watch bbc iplayer USA and I got to know how easy it is to change your virtual location to watch your favorite things online.