Most people have never logged into the router to play around with the security settings. They just leave on the default option, and that’s fine for most situations because the majority of modern ...
The address you're seeing is a "private network" address, not designed to be seen by other computers out on the Internet, and therefore able to be used on other private networks like your neighbor's.
10 Wi-Fi configuration tips from Apple for better wireless connectivity, performance Your email has been sent iPhone, iPad and Mac users, increasingly dependent upon wireless connections, can take ...