IP Guide - Look up IP addresses, networks, and ASNs
Distill - Tracking website updates, automated and simplified
IPconfig.pw - The best tool to view information about IP addresses
ipXapi - The most complete IP to geolocation API.
Visualping - Visualping is the easiest to use website checker, webpage change monitoring, website change detector and website change alert software of the web. Read more about Visualping.
ipinfo.io - Simple IP address information.