Comment by icedchai
4 days ago
"Just add an entry to your routing table" ... it's virtually impossible to do that for RFC-1918 addresses across the internet. It will be filtered at the ISP border or an upstream. Is it theoretically possible? Yes. Is it an actual risk? Probably not.
Well, if you're other customer of the ISP on the same network, then that may get more interesting... (or inside VPS provider's network)