npm

masscan

High-speed TCP port scanner capable of scanning the entire Internet

brewmacoslinux
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Source

About

TCP port scanner, scans entire Internet in under 5 minutes

Commands

masscan

Examples

Scan a single host for open ports$ masscan 192.168.1.1 -p 1-65535
Scan a range of IPs on specific ports$ masscan 10.0.0.0/8 -p 80,443,22 --rate 10000
Scan with output to file and verbose logging$ masscan 192.168.0.0/16 -p 1-1000 -oL results.txt --rate 100000