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ZMap project preview
Developer ToolsAlternative to MasscanAlternative to ShodanAlternative to Nmap

ZMap

Fast single-packet network scanner designed for Internet-wide network surveys.

View on GitHub Visit website
LicenseApache-2.0
GitHub stars5.5k
Last commit1 weeks ago
Tags5 topics
Internet ScannerNetwork SurveysStateless Syn ScanIpv4 ScannerSecurity
Overview

Why consider ZMap?

ZMap is an open-source network scanner designed for Internet-wide network surveys written in C by Zakir Durumeric at the University of Michigan. With cyclic multiplicative group algorithm address randomization, ZMap scans the entire public IPv4 address space in under 45 minutes.

Guided learning

Learn ZMap by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of ZMap

ZMap generates comprehensive IPv4 port census data with optimal bandwidth saturation.

Quickstart

bash
1sudo zmap -p 443 -o results.csv

ZMap is licensed under the Apache License Version 2.0.

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ZMap FAQs

ZMap is listed as a Developer Tools tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository and official website for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

ZMap is listed under the Apache-2.0 license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

ZMap is listed as an alternative to Masscan. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.