Nmap Scan Ip Range For Port

To scan a class b network specific range we use the same method implementing a hyphen in the last 2 octets.

Nmap scan ip range for port. 1 1023 the beginning and or end values of a range may be omitted causing nmap to use 1 and 65535 respectively. P port ranges only scan specified ports. The simple default scan above will check the 1000 most well known ports for each ip address. This is the basic format for nmap and it will return information about the ports on that system.

Nmap scanned for available hosts on addresses going from 192 168 0 1 to 192 168 0 30 finding 3 devices within the instructed range nmap shows their opened ports from the most common 1000 ports. To specify a range of ip addresses with or 24 to scan a number of hosts at once use a command like the following. What if you want to scan all ports of the ip range under scope. Port state service 22 tcp filtered ssh nmap done.

Individual port numbers are ok as are ranges separated by a hyphen e g. Or scan a network range for available services with a command like this. For example to scan ports 50 to 60 we can use the following command. In addition to scanning by ip address you can also use the following commands to specify a target.

Replace the ip address with the ip address of the system you re testing. Finally you can use nmap to scan multiple machines. 3 specify a scan range of ips using a wildcard. 1 ip address 1 host up scanned in 0 23 seconds.

Sudo nmap pn xxx xxx xxx xxx yyy. Scan all ports of an ip range. Nmap 192 168 10 4 specify a scan range of ips using a subnet notation. Sudo nmap sp xxx xxx xxx xxx yyy.