DESCRIPTION: nmap is surely THE scanner to know. Because of its various boundaries, it is a Swiss armed force blade to all circumstances where network recognizable proof is required. It empowers in addition to other things to list network has and examine their ports.
USAGE: ./nmap [Scan Type(s)] [Options] {target specification}
EXAMPLE: ./nmap – sP 192.168.100.0/24 (Lists has on an organization)
EXAMPLE: ./nmap – sS – sV 192.168.100.18 (Scans a host. This model uses a TCP/SYN output and attempts to distinguish introduced administrations)