# File lib/ipaddress/ipv4.rb, line 859 def self.summarize(*args) # one network? no need to summarize return [args.first.network] if args.size == 1 i = 0 result = args.dup.sort.map{|ip| ip.network} while i < result.size-1 sum = result[i] + result[i+1] result[i..i+1] = sum.first if sum.size == 1 i += 1 end result.flatten! if result.size == args.size # nothing more to summarize return result else # keep on summarizing return self.summarize(*result) end end