# MASSCAN

MASSCAN is a Security Scanning product. It runs on-premises. Pricing is free.

Mass IP port scanner for Internet-scale scanning with high speed and flexibility.

Checked October 2026.

## What is MASSCAN?

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.

Tags: Port Scanning

## Quick facts

- Category: [Exposure & Vulnerability Management](https://cybersectools.com/categories/exposure-vulnerability-management) · [Security Scanning](https://cybersectools.com/categories/security-scanning)
- Deployment: On-Premises
- Company size fit: Mid-Market, Enterprise
- Pricing model: Free
- GitHub stars: 25,424
- Website: github.com

## MASSCAN FAQ

### What is MASSCAN?

MASSCAN is a product in the Security Scanning category. It covers Port Scanning.

### What is the pricing for MASSCAN?

MASSCAN is free. Download and setup instructions are at https://github.com/robertdavidgraham/masscan/.

### What are alternatives to MASSCAN?

Alternatives to MASSCAN listed on CybersecTools:

1. [RoboShadow Mobile Network Scanner](https://cybersectools.com/tools/roboshadow-mobile-network-scanner) - Android app for scanning networks to identify security vulnerabilities (Free)
2. [Jsmon 2.0](https://cybersectools.com/tools/jsmon-20) - JavaScript security scanner for detecting vulnerabilities in third-party scripts (Commercial)
3. [Aikido EOL Scanner](https://cybersectools.com/tools/aikido-eol-scanner) - Detects end-of-life and outdated software in code and containers (Commercial)
4. [Sucuri Website Malware Scanner](https://cybersectools.com/tools/sucuri-website-malware-scanner) - Website malware scanner with remote & server-side scanning capabilities (Commercial)
5. [Intruder XSS Scanner](https://cybersectools.com/tools/intruder-xss-scanner) - XSS vulnerability scanner for web apps and APIs with automated scanning (Commercial)

Compare all MASSCAN alternatives at [https://cybersectools.com/alternatives/masscan](https://cybersectools.com/alternatives/masscan)

### What deployment and organization size does MASSCAN fit?

MASSCAN is available as on-premises software. It is listed for mid-market companies and enterprises. It is free.

## Compare MASSCAN with similar solutions

- [MASSCAN vs RoboShadow Mobile Network Scanner](https://cybersectools.com/compare/roboshadow-mobile-network-scanner-vs-masscan)
- [MASSCAN vs Jsmon 2.0](https://cybersectools.com/compare/jsmon-20-vs-masscan)
- [MASSCAN vs Aikido EOL Scanner](https://cybersectools.com/compare/aikido-eol-scanner-vs-masscan)

All alternatives to MASSCAN: [/alternatives/masscan](https://cybersectools.com/alternatives/masscan)

---

Source: https://cybersectools.com/tools/masscan

For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any compare page has a Markdown copy too (add .md to its URL).

More on MASSCAN: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=product-md