%host = (

  'ip1' => {
     'tcp' => {
        '21' => {
           'state' => 'open',
           'service' => 'ftp'
        },
        '80' => {
           'state' => 'open',
           'service' => 'web'
        }
      }
    },

  'ip2' => {
     'tcp' => {
        '23' => {
           'state' => 'open',
           'service' => 'telnet'
        },
       '80' => {
           'state' => 'open',
           'service' => 'web'
        }
      }
    }

);