192.168.100.1 Default IP Address Login to Manage Router Settings

What is 192.168.100.1 IP, How can i change the default IP address to another for my router, what are the default router for this IP address What to do if 192.168.100.1 IP address does not connect...

source https://bsnlteleservices.com/192-168-100-1-ip-address-login/