IP Man is a simple Mac menu bar app displaying your public IP at any time. Easily and quickly copy/paste it by clicking it or by using the shortcut cmd+i.
IP Man also provides you, with the same ease, your WLAN and ethernet addresses.
Antideo maintains large database with spam and scam records, IP locations and infected ranges, proxy records and many more. We are keeping our database updated regularly from various sources, as well as collecting some of the data ourselves.
IPLocate is a powerful IP geolocation API with 1,500 free requests per day. And for those free requests, you don't need an API key, so you can get started with one line of code.