Pipe a list of IP addresses into the binary to plot them on top of a map:
curl -s 'https://lists.blocklist.de/lists/ssh.txt' | ./bin/geomap ~/Downloads/GeoIP2-City.mmdb >/tmp/out.html && sleep 1 && firefox /tmp/out.html
You'll need a copy of MaxMind's GeoIP database.
You can use this repository you'd like.
As this project uses third-party software, be sure to check their license and terms of service.