NetScanTools® Network Engineering Tools

Troubleshoot, map, and analyze networks faster with NetScanTools®

Since 1997 NetScanTools has been providing network and IT professionals with advanced diagnostic and troubleshooting toolkits. Most used for on-demand verification and issue investigation, NetScanTools combines 70+ command line and third-party utilities into a single comprehensive suite.

NetScanTools® Pro

Precision Diagnostics for Network and IT Challenges

NetScanTools Pro is a suite of network troubleshooting and diagnostics utilities for Windows computers. The platform combines capabilities like packet analysis, connectivity checks, DNS/WHOIS tools, port discovery, and traceroute functions, among others. The program provides enhanced functionality on many common tools, as well as unique capabilities for network testing, perfect for advanced customers. The program runs from a local workstation, without agents, making it ideal for deployment in sensitive environments.

NetScanTools Pro provides a free 14 day trial, so anyone looking to access these network diagnostic tools can do so for free, before making a purchase.

More Information | The Tools | Buy Now

Try It Free - 14 Day Demo

Explore everything NetScanTools Pro has to offer - no payment required.

More Information: See the app description page.
DEMO Version End User License Agreement (EULA)
How to Uninstall

NetScanTools Pro Packet Flooder

NetScanTools Pro PingTrend

NetScanTools® Pro USB Version

Network professionals on-the-go rely on the USB version of NetScanTools® Pro to solve their daily network problems. The USB version is a fully portable application that resides entirely on the flash drive**.

The USB version of NetScanTools Pro is designed for Network Engineers, Technicians or Security Personnel who frequently move from machine to machine.

It has the same set of over 50 network tools in an easy to use interface. The difference is that you do not have to install the software**.

More Information | USB version | The Tools | See Tool Videos | Buy Now

Available as a download - you supply the USB flash drive. You will be installing this on your own high speed USB flash drive with tech support assistance to fully activate it on your drive.

**Requires WinPcap or Npcap driver to be installed on the host machine prior to use. See winpcap.org or nmap.org/npcap

Try the Installed Version NetScanTools Pro Demo

Trial Period: 14 days
More Information: See the app description page.
DEMO Version End User License Agreement (EULA)
How to Uninstall

Download the installed version DEMO

NetScanTools Pro DNS Traffic Monitor with USB Screenshot

NetScanTools® Basic

NetScanTools Basic Edition was introduced as a freeware product designed to fill the gap left by the retirement of NetScanTools Standard in 2004.

It includes these basic network tools: DNS Tools - Simple, Ping, Ping Scanner, Graphical Ping, Traceroute and Whois. Additional description on this page.

Trial Period: unlimited
Cost: $0

End User License Agreement (EULA)
How to Uninstall

Managed Switch Port Mapping Tool

The Managed Switch Port Mapping tool is an application that communicates with a managed ethernet switch via SNMPv1/v2c/v3 and shows the devices connected to physical switch ports. Full install/uninstall support.

More Information | See Videos | Buy Now

Trial Period: 14 days
More Information: See the app description page.

End User License Agreement (EULA)
How to Uninstall

Switch Port Mapper Screenshot

Managed Switch Port Mapping Tool Screenshot

Demonstration and Training Videos

We have a number of demonstration videos showing NetScanTools Pro Version 11 in action.

There are also videos of the Managed Switch Port Mapping tool mapping switches from a number of different vendors including Cisco, HP, Netgear, Extreme Networks and others.

Visit this page to view the videos.

News

May 1, 2026

NetScanTools Pro v11.95.5 Released Revision History.

April 23, 2026

April NetScanTools Newsletter is available here.

January 29, 2026

Managed Switch Port Mapping Tool v2.89 Released Download here.

Who NetScanTools Is For

User Type	What They Use It For
Network Engineer	DNS troubleshooting, auditing shares, routing diagnostics, discovering attached switch devices
IT Helpdesk / Support	Locating rogue hosts, device discovery, ping/ARP/port testing, identifying connected switch ports
Security Analyst	Exposure audits, open ports, SNMP enumeration, SMTP relay testing
Field Technician / On-Site Staff	Remote switch mapping, DHCP discovery, MAC address identification
MSP / Consultant	Site assessments, quick diagnostics, compliance snapshots
Data Center Admin / Infrastructure	Visualizing rack switch usage, port utilization reporting, bulk SNMP queries
IT Manager / Procurement	Hardware asset audits, pre-upgrade assessments, verifying port capacity use
Switch Admin / Network Architect	Mapping port-to-device connections, identifying unused ports, reviewing switch infrastructure health

What IT Pros Are Saying

"NetScanTools Pro is my reliable go-to for fast, versatile network analysis. With a comprehensive set of tools—like DNS lookups, ping sweeps, traceroute, and packet capture—it consistently delivers the functionality I need. A top choice for anyone looking for advanced diagnostics in one convenient package."
-Martin Zinaich

“NetScanTools Pro is a solution finder. I've never come across a better software solution for network engineers, and our team uses it every day.”
– Kurt Dicus, Vice President of IT, BD&A Inc.

“I tried SolarWinds, but it costs $1000 and in truth isn't any better than NST. Grats on a bang-up job. I love my USB key—I use it most of the time.”
– Anthony M., IT Professional

“NetScanTools Pro is one of the programs in my arsenal I rely on daily to investigate and mitigate malware. I bought it for my entire team.”
– Aryeh Goretsky, Security Researcher

Troubleshoot, map, and analyze networks faster with NetScanTools®