ShowIP displays the IP address(es) of the current page in the status bar.
tags: firefox-extension ip-address show-ipExternal IP Address lookup tool with option to scan the external IP address. Uses Nmap Port Scanner and also does geolocation.
tags: ip-address port-scanner ip-scan port-scanGRC Internet Security Port Scanner. Tests for open ports on your external IP address.
tags: internet-security network-security port-scanner