RustScan
RustScan: A free, open-source CLI scanner for rapid reconnaissance and Nmap-based analysis. Ranked #8 of 26 in Port Scanner Software by our editors (8.4/10); pricing: Free plan; best for fast Nmap-assisted network reconnaissance.
At a glance
- Editor score8.4 / 10
- PricingFree plan
- Best forFast Nmap-assisted network reconnaissance
- Free planYes
- Paid fromFree
- DeploymentCli
- Facts checked21 Sep 2026
Where it wins
- High-speed TCP and UDP scanning with adaptive tuning
- Supports IPv6, CIDR ranges, files, and configurable port lists
- Passes discovered ports to Nmap for deeper analysis
Where it doesn't
- Command-line deployment requires terminal-based workflows
- Windows use is documented through Docker rather than native support
- Service and OS detection depend on Nmap passthrough
Our verdict on RustScan
RustScan is an open-source command-line port scanner for penetration testers, security researchers, and network administrators. It scans hosts, IP addresses, and CIDR ranges, with support for IPv6, configurable port lists and ranges, file-based targets, UDP scanning, and greppable output containing ports. The published deployment model is CLI-based, with platform coverage for Linux, macOS, Windows through Docker, and Android through Termux.
Its main strength is speed combined with a focused reconnaissance workflow. Adaptive scan tuning can adjust the scan process, while configuration files can define recurring defaults such as addresses, ports, timeouts, and scan order. Once ports are discovered, RustScan can pass them to Nmap for deeper analysis. Nmap integration also provides the documented path for service and OS detection, making the product more useful when a fast port-discovery stage needs to lead into broader analysis. Python, Lua, and Shell scripting add options for customized workflows, and CIDR and file inputs support larger or repeatable target lists.
RustScan is free and open source, with no paid tiers described. That makes it a practical choice for users who want a lightweight scanner that can fit into terminal-driven security workflows without a license cost. It is less suitable for teams seeking a graphical interface or a standalone platform with detection capabilities built directly into the scanner. Windows users should also plan around Docker, while users who need deeper analysis will need Nmap in the workflow. Choose RustScan for rapid, scriptable network reconnaissance and Nmap-assisted follow-up; choose an alternative when native Windows operation, graphical management, or broader built-in scanning features are priorities.
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RustScan pricing
RustScan fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Deployment | Cli |
| Scan scope | Network |
| Service detection | Yes |
| OS detection | Yes |
| Scheduled scans | Not verified |
| API access | Not verified |
| Export formats | greppable text |
| Deployment | Self-hosted, Desktop, Mobile |
| Platforms | Windows, macOS, Linux, Android |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market (editorial estimate) |
| Integrations | 1 integrations: Nmap |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 21 Sep 2026 |
RustScan integrations
RustScan lists 1 integrations on its own site.
- Nmap
Alternatives to RustScan
- NmapA mature, broad port scanner with deep command-line capabilities and useful companion tools.9.4
- NaabuA free, CLI-focused scanner for internet-scale port and service discovery.9.1
- ScanSearchA cloud scanner for internet exposure, vulnerability matching, monitoring, and API-driven workflows.8.9
See all RustScan alternatives →
RustScan vs the competition
- RustScan vs Nmap
- RustScan vs Naabu
- RustScan vs ScanSearch
- RustScan vs HostedScan Security
- RustScan vs Pentest-Tools Port Scanner
- RustScan vs Angry IP Scanner
Compare RustScan with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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