code: def to(e)
        unless e.is_a? IPAddress::IPv4
          e = IPv4.new(e)
        end
  
        Range.new(@u32, e.to_u32).map{|i| IPAddress.ntoa(i) }
      end
docs: Return a list of IP's between @address
   and the supplied IP
  
     ip = IPAddress("172.16.100.51/32")
  
     ip.to("172.16.100.100")
       #=> ["172.16.100.51",
       #=>  "172.16.100.52",
       #=>  ...
       #=>  "172.16.100.99",
       #=>  "172.16.100.100"]