Router attacks based on IP addresses. One example of a router attack that depended on its IP address is a bug in D-Link routers that was reported in January 2015 (DNS hijacking flaw affects D-Link DSL router, possibly other devices). Quoting:
Configuration for D-Link routers: DGL-4500, DIR-628, DIR Nov 26, 2017 How do I find my router’s IP address - Sabai Technology Private IP addresses cannot be seen by the outside world (unless you have nosy neighbors trying to hack your wireless) because your router performs a function called Network Address Translation (NAT.) NAT converts private IP addresses to public IP addresses. You may be wondering “why would I need to find my router’s IP address?”. One More Reason to Love Your Router: It Can Assign IP May 02, 2011 How To Find Your Router's IP Address - port forward
Configuration for D-Link DIR-825 – OpenDNS
How to Find Router IP Address in Windows 10
D-Link ADSL routers and modems have a factory default IP-address of 192.168.1.1 with a subnet of 255.255.255.0. To access your ADSL router or modem, connect your computer to the router and then open up your web browser(e.g. Internet Explorer) and type in the default IP-address.
Dec 27, 2017