IP Guide - Look up IP addresses, networks, and ASNs
Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.
IPconfig.pw - The best tool to view information about IP addresses
Heap - Analytics for web and iOS. Heap automatically captures every user action in your app and lets you measure it all. Clicks, taps, swipes, form submissions, page views, and more.
ipXapi - The most complete IP to geolocation API.
Yandex.Metrica - A free tool for evaluating site traffic and analyzing user behavior