|Normally belkin routers use address:|
You will need to know your login details. This will have been supplied to you or you may have set it when you first set it up. Read the manual that came with it. It can be download from belkin if you do not have a copy.
If you do not know the user-id & password, try admin with no password. That seems to be default.
☺ When everything else fails, read the instructions.