A wrapper of MaxMind-DB-Reader-java to use on Clojure.
prepare a mmdb file by yourself.
$ lein test
$ lein repl
maxmind-db-reader-clojure.core=> (lookup "GeoLite2-ASN.mmdb" "1.1.1.1")
"{\"autonomous_system_organization\":\"Cloudflare, Inc.\",\"autonomous_system_number\":13335}"
maxmind-db-reader-clojure/lookup answers a json text.