|I think you will find you do have a router as well as a Modem even if you don't know it. 192.168.0.1 is a private IP address. To connect to the Internet at all using that address something must translate it from your public IP address and that is a function of Network Address Translation in a router.|
Are you in a property that comes with an Internet connection supplied by the owner of the property. If so, it is they that have the router and Modem. You may need to speak to them.
You can check the network interface by going into Control Panel > Network Connection and selecting Local Area Connection. From there you can check and configure your network interface.