nmap -Pn  --script http-headers,http-title -p 80,443 45.82.14.0/24

nmap -p80,443 -Pn -T4 --open --script http-headers,http-title,ssl-cert --script-args http.useragent="A friendly web crawler (http://calderonpale.com)",http-headers.useget -oX random-webservers.xml -iR 0