The Linksys Velop mx4200 comes with its default details that include the login credentials, and web/IP address. You will need to use those details for the first time Linksys Velop mx4200 setup. However, you can change them after the setup for the safety of your WiFi network. Don’t worry, if you are not aware of those credentials, you can collect them from the quick manual setup guide. But, in almost every case, the default IP address of mx4200 is 192.168.1.1. Also, it is necessary to use this address without any numeric mistakes while inserting this into the search bar.