MASSCAN
Mass IP port scanner for Internet-scale scanning with high speed and flexibility.
Mass IP port scanner for Internet-scale scanning with high speed and flexibility.
Checked October 2026.
Mass IP port scanner that can scan the entire Internet in under 5 minutes, transmitting 10 million packets per second. It uses asynchronous transmission and allows arbitrary port and address ranges. Note: it uses its own ad hoc TCP/IP stack, so configurations are needed to avoid conflicts with the local TCP/IP stack.
No core features are listed for this product yet, so check the vendor's documentation for the full feature list.
No integrations are listed for this product yet. Check the vendor's documentation, or ask the vendor which integrations and APIs it supports.
Common questions about MASSCAN: features, pricing and alternatives.
MASSCAN is a product in the Security Scanning category. It covers Port Scanning.
MASSCAN is free. Download and setup instructions are at https://github.com/robertdavidgraham/masscan/.
Alternatives to MASSCAN listed on CybersecTools:
Compare all MASSCAN alternatives at https://cybersectools.com/alternatives/masscan
MASSCAN is available as on-premises software. It is listed for mid-market companies and enterprises. It is free.
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