Ntop
ntop is an open source network traffic monitoring and analysis tool. It provides real-time information on network usage and helps identify bandwidth hogs and troubleshoot network issues.
ntop: Open Source Network Traffic Monitoring and Analysis Tool
ntop is an open source network traffic monitoring and analysis tool. It provides real-time information on network usage and helps identify bandwidth hogs and troubleshoot network issues.
What is Ntop?
ntop is an open source software that allows for real-time monitoring and analysis of network traffic. It captures packet data from the network and organizes it to provide detailed bandwidth usage and statistics. Some key features of ntop include:
- Easy visualization of which hosts and applications are generating the most traffic
- Identification of anomalous traffic that may indicate issues or security threats
- Breakdown of traffic by protocol, packets flows, sender/receiver, and more
- Collection of rich network data including host details, DNS traffic, geo-location, and conversational flows between endpoints
- Web-based interface for viewing reports and graphs on traffic analysis
- Customization with plugins to extend functionality including additional reports, alerts, or data exports
- Scalability to monitor links up to 10 Gbps speed
In summary, ntop provides powerful real-time analytics of network traffic for purposes like traffic engineering, security analysis, capacity planning, and identifying high-bandwidth applications or hosts. The visualization and customization it provides allows network administrators to quickly gain insights from monitoring network traffic.
Ntop Features
Features
- Real-time network traffic monitoring
- Flow analysis and accounting
- Top talkers and application usage statistics
- Network traffic visualization
- Supports sFlow, NetFlow, and other flow technologies
- Web-based interface for remote access
- Customizable dashboards and reporting
- Alerting and notifications
- Integration with 3rd party software via REST API
Pricing
- Open Source
Pros
Open source and free
Easy to install and configure
Web-based interface works across platforms
Scales to monitor large networks
Customizable dashboards and reporting
Integrates with other monitoring tools
Cons
Can be resource intensive for very large networks
Limited support options
Web interface can be slow on low powered systems
Steep learning curve for some advanced features
Official Links
Reviews & Ratings
Login to Review4.0
★
★
★
★
★
12 reviews
Rating Breakdown
Ease of Use
★
★
★
★
★
3.1
Features
★
★
★
★
★
4.5
Value for Money
★
★
★
★
★
4.4
Customer Support
★
★
★
★
★
3.3
Overall Experience
★
★
★
★
★
4.1
Recent Reviews
Phoenix Harris
May 13, 2026
★
★
★
★
★
Indispensable for managing our network traffic
ntop has been a game-changer for our small IT team. Its real-time traffic breakdowns helped us quickly pinpoint a misconfigured backup server that was saturating our bandwidth. While the interface has a slight learning curve, the depth of data is …
Anna King
May 12, 2026
★
★
★
★
★
A Must-Have Tool for Network Administrators
As a sysadmin, ntop has been invaluable for keeping an eye on our network traffic in real-time. It quickly points out which devices or applications are hogging bandwidth, making troubleshooting a breeze. The fact that it's open source adds to …
Quinn Johnson
May 09, 2026
★
★
★
★
★
Essential Tool for Network Visibility
As a small office sysadmin, ntop has been a game-changer for managing our network. It's incredibly lightweight yet powerful, giving me real-time, detailed breakdowns of traffic by host and protocol, which helped me quickly identify a misconfigured backup job that …
R
Reese Miller
May 07, 2026
★
★
★
★
★
Essential Open-Source Tool for Network Visibility
ntop has been a lifesaver for monitoring our office network. It gives me a crystal-clear, real-time view of traffic, making it easy to spot which devices or applications are hogging bandwidth. The open-source nature is fantastic, providing powerful features without …
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Noah Moore
May 05, 2026
★
★
★
★
★
Essential Tool for Network Visibility
As a network admin, ntop has been a game-changer for monitoring our infrastructure. It provides crystal-clear, real-time insights into traffic patterns and quickly highlights which hosts or applications are consuming bandwidth. Being open-source, it's incredibly cost-effective and has been rock-solid …
Rating Distribution
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