Network Discovery

Masscan

High-speed port scanner for large authorized address ranges before deeper service review.

networkscanportslarge-scalereconinventory

Best For

Use for fast lab or internal inventory sweeps, then validate interesting hosts with slower detailed tools.

Responsible Use

Use this tool only in owned environments, classroom labs, CTFs, or engagements where you have explicit written permission. Keep notes focused on findings, risk, and remediation.

Official Resource

https://github.com/robertdavidgraham/masscan