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Find all active devices on your network. PortScan shows all open ports and additional information about HTTP, FTP, SMTP, SNMP and SMB services.
Up to 100 threads are used for scaning large ip address ranges. You can search for Netgear router, Samsung printer and serveal NAS devices. So you can find them even if you don't know the ip address.

PortScan is an easy to use network scanner that can quickly check an IP range and return information about the alive machines. Scanning the network is as easy as inputting the IP range, while PortScan takes care of the whole job for you. It scans all available ports and shows details such as MAC address, hostname, open ports and HTTP servers for each connected machine.

PortScan works like a charm regardless of the Windows version running on your system, remaining friendly with hardware resources all the time. You don’t need administrator privileges on Windows 7 machines, but you may have to grant access to the network in your firewall. PortScan is a decent app that serves its purpose and, what’s more, it relies on a very clean interface to get information about HTTP, FTP, SMTP and SMB services.