ProxyCheck.io - proxycheck.io is a premium Proxy detection API with a full featured free plan. Try us today!
What is my IP? - Find out what your IP is. Do not hesitate to open wimip.
IP Location - IPLocation.io provides a free lookup tool to check the location of your Public IP Address. It finds this data through various GEO IP databases and online services. Just enter an IP and check its location easily.
GRC Port Scan - GRC Internet Security Port Scanner. Tests for open ports on your external IP address.
ipinfo.io - Simple IP address information.
TrueIP - TrueIP is a small program that runs in the system tray, monitoring your IP address(es).