for (int i = 0; i < hosts.Count(); i++)
            {
                ScanHost host = hosts[i];
                List<Vulnerability> hostVulns = host.getVulns();
                //index = i;

                for (int j = 0; j < hostVulns.Count(); j++)
                {
                    Vulnerability vuln = hostVulns[j];
            int y = i + j + 1;
            xlWorkSheet.cells[y, 1] = host.getIP();
                    xlWorkSheet.Cells[y, 2] = host.getNBN();
                    xlWorkSheet.Cells[y, 3] = host.getDNS();
                    xlWorkSheet.Cells[y, 4] = vuln.getName();
                }
            }