No route to host these days often can mean that you are getting an ICMP Administratively Prohibited message -- ie. you are being denied by firewall. They are particularly common on Red Hat systems, from what I have seen, but I would hope that you see them elsewhere too.
Sep 12, 2014 Help: NFS error (No route to host) - LinuxQuestions.org Feb 02, 2008 No Route to Host Error | The FreeBSD Forums May 14, 2009
Feb 02, 2006
Sep 07, 2017
“no route to host” with static IP. Able to ping. Ask Question Asked 2 years, 3 months ago. Active 2 years, 3 months ago. Viewed 9k times 1. I just configured a new server from DigitalOcean. I don't think I changed anything on the server's networking configuration other than changing the ssh port from 22 to 2202, but all of a sudden I am
Help: NFS error (No route to host) - LinuxQuestions.org Feb 02, 2008