Question: What is 192.168.2.1?
192.168.2.1 is common factory default IP for router, access point or other network devices which are manufactured by Belkin, SMC or other manufacturers. You can access the router management page by pointing to this IP by using web browser for doing initial setup. Read the network device manual to learn more on how to configure that network device.
It’s also part of 192.168.0.0/16 network, Class C private IP address block that is commonly used to set up private home network.
Check this wireless router or wired network router configuration article if you have configuration problem.