There are 4 routers on the same network, when switching to 192.168.0.1

There are 4 routers on the same network, when switching to 192.168.0.1 the settings of the main router are opened.

How to enter the settings of a non-main router?

Change IP of additional routers to static, say 192.168.0.2 \ 192.168.0.3 \, etc.