Snapshot
Nmap is an open-source tool for scanning networks, host discovery, and security auditing. It identifies active hosts, open ports, services, and operating systems on a network.
Tool spotlight
Nmap (Network Mapper)
Free and open-source utility for network discovery and security auditing.
Cybersecurity & PrivacyPricing
Free and open-source for end-users. OEM redistribution licenses are available for compa...
Primary use case
Discovering active hosts and devices on a network.
Last updated
Mar 24, 2026
Key highlights
Extensive network scanning capabilities for various protocols.
Powerful Nmap Scripting Engine (NSE) for custom tasks.
Accurate OS and service/version detection.
Quick start
- 1 Download and install Nmap for your operating system.
- 2 Run a basic scan: `nmap <target_IP_or_hostname>`.
- 3 Perform an aggressive scan for more details: `nmap -A <target>`.
- 4 Use `nmap -sn` for a simple ping scan.
Where it shines
Network administrators and security professionals.
Penetration testing and vulnerability assessment.
Network inventory, mapping, and asset management.
Troubleshooting network issues and monitoring uptime.