Wallcat - Enjoy a new, beautiful wallpaper, every day.
ipinfo.io - Simple IP address information.
Splashify - Beautiful desktop wallpapers for Mac and Windows
BigDataCloud IP Geolocation API - Next Generation IP GeolocationAPI
Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.
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.