LSE toolsLSE toolsMasscan (101)Masscan (101)

Tool and Usage

Masscan is a security tool to perform a network scan for many systems at once. It is optimized asynchronous transmissions to achieve its performance.

Screenshot for Masscan tool review

Why this tool?

Masscan can be compared with other tools like Nmap. Due to its focus on high performance, this tool can be used when many systems have to be scanned at once (think multi-network).

How it works

Masscan uses a custom TCP/IP stack to achieve its goal. In fact, you need to make adjustments before using the scanner, to avoid problems with the local TCP/IP stack.

Usage and audience

This tool is categorized as a internet scanner and network port scanner.


  • Focus on high performance

Tool review

The review and analysis of this project resulted in the following remarks for this security tool:


  • + More than 25 contributors
  • + More than 6000 GitHub stars
  • + The source code of this software is available

Author and Maintainers

Masscan is under development by Rob Graham.


Support operating systems

Masscan is known to work on FreeBSD, Linux, macOS, and Microsoft Windows.

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Project details
Latest release1.0.4 [2017-06-06]
License(s)AGPL 3.0
Last updatedSept. 20, 2017

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GitHub iconMassscan GitHub project

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