Exclude some hosts while performing a full network scan or when you are scanning with wildcards with the –exclude option.
nmap 192.168.1.100-200 --exclude 192.168.1.141
result:
Starting Nmap 6.40 ( http://nmap.org ) at 2016-07-08 00:01 BST Nmap scan report for 192.168.1.100 Host is up (0.049s latency). Not shown: 989 closed ports PORT STATE SERVICE 80/tcp open http 139/tcp open netbios-ssn 443/tcp open https 445/tcp open microsoft-ds 515/tcp open printer 631/tcp open ipp 6839/tcp open unknown 7435/tcp open unknown 8080/tcp open http-proxy 9100/tcp open jetdirect 9220/tcp open unknown Nmap scan report for android-166a0df867e23819 (192.168.1.157) Host is up (0.040s latency). All 1000 scanned ports on android-166a0df867e23819 (192.168.1.157) are closed Nmap scan report for RP-AC52 (192.168.1.169) Host is up (0.011s latency). Not shown: 998 closed ports PORT STATE SERVICE 53/tcp open domain 80/tcp open http Nmap done: 100 IP addresses (3 hosts up) scanned in 14.57 seconds