youhavedownloaded script

    require 'net/http'
    require 'ipaddr'

    BLOCKS = {
      # Ministerio de Cultura
      '193.145.12.0' => '193.145.12.255',#
      '193.145.16.0' => '193.145.16.255',
      '193.145.22.0' => '193.145.22.255',
      '193.145.24.0' => '193.145.24.255',
      '193.145.27.0' => '193.145.27.255',
      '213.4.125.48' => '213.4.125.55',
      '213.4.125.16' => '213.4.125.23',
      '193.145.7.0' => '193.145.7.255',
      # SGAE
      '195.76.238.0' => '195.76.238.255',
      '212.101.75.88' => '212.101.75.95',
      # Moncloa
      '194.179.32.0' => '194.179.32.255',
      '193.146.153.128' => '193.146.153.255',
      # Embajada EEUU
      '212.0.119.168' => '212.0.119.175',
      '213.27.135.224' => '213.27.135.231'
    }

    uri = URI.parse('http://www.youhavedownloaded.com/')
    http = Net::HTTP.new(uri.host, uri.port)

    BLOCKS.each do |begin_ip, end_ip|
      begin_ip = IPAddr.new(begin_ip)
      end_ip = IPAddr.new(end_ip)
      while begin_ip.to_i <= end_ip.to_i do
        uri.query = 'q=' << begin_ip.to_s

        puts begin_ip.to_s
        content = nil
        http.start { content = http.request_get(uri.route_from('http://www.youhavedownloaded.com').to_s).body }
        puts "BINGO!!" if content !~ /this IP in the clear/

        begin_ip = IPAddr.new(begin_ip.to_i + 1, Socket::AF_INET)
      end
    end