SI Trace is a free visual tool for Windows that traces the route of IP packets while they travel from your PC to the remote destination. The tool essentially allows you to see exactly where a connectivity problem is, no matter how far it is from your computer. The last host to respond to traceroute is the last host that is working properly. The first one that fails to respond is the faulty one.

• License: Freeware
• Language: English
• Release: 2007-07-15
• Size: 299 Kb
• Cost: Free

AddrMon is a network tool that can be used to debug or monitor a network or see if host computers are online. Addrmon can PING, Traceroute or Monitor a single or multiple host computers simultaneously. PING a computer to determine whether a particular IP address (host) is reachable online by sending out a packet and waiting for a response. Send a user defined number off ICMP packets at a specified time interval.

• License: Freeware
• Language: English
• Release: 2005-10-04
• Size: 535 Kb
• Cost: Free

DNS Thing is a free utility that provides Windows users with a way to make common DNS queries using a graphical user interface. It can provide frequently queried information like looking up the IP address for a hostname or determining the MX record for a domain. It can also provide more advanced results such as Sender Policy Framework anti-spam data and time-to-live (TTL) information for queries.

• License: Freeware
• Language: English
• Release: 2006-12-30
• Size: 1014 Kb
• Cost: Free

The kick'n TCP/IP diagnostic toolkit - cool tools for network troubleshooting. Includes GeoRoute (graphical trace route on world map), iSpeed (Internet speed tester analyzes connection quality), LAN (LAN scanner finds IP devices), NetStat (identify the process that created a TCP/IP connection), PING (connectivity testing), IPConfig (review IP Configuration and verify DNS servers), DNS (perform nslookup's), and Tools (useful shortcuts).

• License: Shareware
• Language: English
• Release: 2006-12-27
• Size: 4 Mb
• Cost: 39.95 $

A powerful TCP/IP troubleshooting tool for monitoring your Internet connections. It displays all active TCP and UDP connections on your computer, country for all remote IP, ports on which the computer is listening and the state of that connections. Netstat Agent is a set of command line utilities like Netstat, Ping, Ipconfig, Route, ARP, Tracert, but in a graphical interface. It is a first network assistant for anyone.

• License: Shareware
• Language: English
• Release: 2006-11-07
• Size: 957 Kb
• Cost: 29.00 $

WhoSock fetches information about Internet hosts specified either by name or by IP address. WhoSock operates asynchronously, so you can submit a new query before the current one ends. WhoSock also gives you easy access to Ping and Tracert.

• License: Shareware
• Language: English
• Release: 2002-09-05
• Size: 290 Kb
• Cost: 10.00 $

VisualRoute combines the tools traceroute, ping, reverse DNS, and Whois into a single graphical interface that analyzes Internet connections to quickly locate where outages or slowdowns occur. An IP location database identifies the geographical location of IP addresses and Web servers, showing the path of an Internet connection on a global map. Domain registration and network provider contact information are reported for each network hop.

• License: Shareware
• Language: English
• Release: 2006-06-13
• Size: 5 Mb
• Cost: 49.95 $

VisualPulse enables 24x7 Web-based monitoring of Web pages, servers, and network nodes, providing web-based reports for Ping, HTTP, SNMP, and TCP performance. Automated alerts provide instant problem notification, and automated capture of traceroute diagnostics enables analysis of availability problems regardless of when the disruption occurred. Easy-access HTML reports includes standard and customizable reporting options.

• License: Shareware
• Language: English
• Release: 2005-04-25
• Size: 466 Kb
• Cost: 295.00 $

Visual WhoIs 2004 is a handy network tool that allows you to find relevant information about domains, ip addresses, web servers, email addresses... Protect your privacy, avoid fraudulent sites and hoaxes. Locate web sites, email addresses and IP addresses on a 3D globe. Visual WhoIs 2004 can perform WhoIs queries against domain names or IP addresses. It locates the address on a 3D globe and can even perform a visual trace route.

• License: Shareware
• Language: English
• Release: 2004-06-01
• Size: 2 Mb
• Cost: 28.95 $

Get Ping, Traceroute, IP Lookup, regular Whois and Referral Whois tools in a single convenient package! SI Network Mechanics offers great ergonomics, quick keyboard operation and clean printable output. A unique Referral Whois algorithm implemented in SI Network Mechanics provides complete information about the owner of any domain name, up to the level of mailing addresses and telephone numbers.

• License: Shareware
• Language: English
• Release: 2008-02-01
• Size: 468 Kb
• Cost: 39.95 $