% nmap X.X.X.0/24 -p 80 -T Insane -n
The 1 scanned port on  (X.X.X.137) is: closed
The 1 scanned port on  (X.X.X.146) is: closed
The 1 scanned port on  (X.X.X.147) is: closed
Interesting ports on  (X.X.X.152):
Port       State       Service
80/tcp     open        http                    
: