BAsically took a node close to that IP anc checked the latency (simple ping or traceroute). Your internetconenction from the node really matter (and not the bandwith).
But the most important consist in leveling upo your maxconnections from the config file and add all nodes taht you can grap in the forum and more than 30 Ips were posted here in this thread.
not yet, http://bgp.he.net/ip/146.185.173.146#_whois
the IP on Amsterdam, NL
probably digitalocean and tha'ts why the DigitalOcean Droplet gave a very nice latency