Target Specification:

Can pass hostnames, IP addresses, networks, etc. e.g.: scanme.nmap.org, microsoft.com/24, 192.168.0.1; 10.0.0-255.1-254

Port Ranges:

Only scan specified ports. e.g.: 22; 1-65535; U:53,111,137,T:21-25,80,139,8080,S:9