RTTVAR has grown to over 2.3 seconds, decreasing to 2.0 #### #!/usr/bin/perl use warnings; use strict; use DBI; use Nmap::Scanner; my $sth = $dbh->prepare("Some valid SQL"); $sth->execute(); while(my @r = $sth->fetchrow_array()) { print STDERR "Scan network $r[0], mask $r[1]\n"; my $scanner = new Nmap::Scanner; $scanner->max_rtt_timeout(10000); $scanner->min_rtt_timeout(1000); $scanner->host_timeout(5000); $scanner->max_parallelism(8); my $results = $scanner->scan("-v -sP $r[0]/$r[1]"); print STDERR "Scan completed\n"; my $hsts = $results->get_host_list(); while(my $host = $hsts->get_next()) { # Do stuff for each ... } } exit 0;