# Nmap 6.47 scan initiated Wed Mar  1 15:39:31 2017 as: nmap -o 172.16.188.0
  WARNING: No targets were specified, so 0 hosts scanned.
  # Nmap done at Wed Mar  1 15:39:31 2017 -- 0 IP addresses (0 hosts up) scanned in 0.04 seconds