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.