masscan
A very fast network scanner. tldr-pages
On several platforms
Several platforms
A very fast network scanner. Works best with elevated privileges. For help with Nmap compatibility, run masscan --nmap.
Scan an IP or network subnet for port 80
masscan ip_address --ports 80IdentifyScan a class B subnet for the top 100 ports at 100,000 packets per second
masscan 10.0.0.0/16 --top-ports 100 --rate 100000IdentifyScan a class B subnet avoiding ranges from a specific exclude file
masscan 10.0.0.0/16 --top-ports 100 --excludefile path/to/fileIdentifyScan a class B subnet with Nmap-like version detection (banner grabbing)
masscan 10.0.0.0/16 --ports 22,80 --banners --rate 100000IdentifyScan the Internet for web servers running on port 80 and 443
masscan 0.0.0.0/0 --ports 80,443 --rate 10000000IdentifyScan the Internet for DNS servers running on UDP port 53
masscan 0.0.0.0/0 --ports U:53 --rate 10000000IdentifyScan the Internet for a specific port range and export to a file
masscan 0.0.0.0/0 --ports 0-65535 --output-format binary --output-filename path/to/fileIdentifyRead binary scan results from a file and output to stdout
masscan --readscan path/to/fileIdentify