just hook up traceroute plus ipinfo.io with MapSCII https://news.ycombinator.com/item?id=14254165

Kinda.. You can download the HTML file and host it on localhost, but it still relies on ipinfo.io. If you can figure out how to use e.g. the MaxMind GeoIP database in javascript, then it should be simple enough to hook up and run everything locally.

Xtraceroute is ancient (1998)