code: def overview():
      
      range_search = RangeSearch()
      ranges = range_search.get_ranges()
      if ranges:
          formatted_ranges = []
          tags_lookup = {}
          for r in ranges:
              formatted_ranges.append({'mask': r.range})
              tags_lookup[r.range] = r.tags
          search = Host.search()
          search = search.filter('term', status='up')
          search.aggs.bucket('hosts', 'ip_range', field='address', ranges=formatted_ranges)
          response = search.execute()
          print_line("{0:<18} {1:<6} {2}".format("Range", "Count", "Tags"))
          print_line("-" * 60)
          for entry in response.aggregations.hosts.buckets:
              print_line("{0:<18} {1:<6} {2}".format(entry.key, entry.doc_count, tags_lookup[entry.key]))
      else:
          print_error("No ranges defined.")
docs: Creates a overview of the hosts per range.