The following is a collection of Internet based tools available in the public domain.
Please note: some of these tools are designed for professional use only, however they may be of interest to students and hobbyists too. Please do not abuse these tools!

General Tools

Watch The World Internet Monitor (US) - This is a free tool designed by Alpha Systems to gain an instant overview of the operational status of various ISP's, ISX's and POP's around the world. (UK Mirror)

Internet Traffic Report - Get a summery of the 'Internet Weather'. General ping times and packet loss taken as an average from data collected from routers all over the globe.

UK Ping Tool - General Ping tool to get results for internet appliances based in the UK. (Please see Watch The World for a better listing)

UK Trace Route Tool - General Trace Route tool to get results for internet appliances based in the UK. (Please see Watch The World for a better listing)

Public Cisco Route Servers

This is a list of telnet-able routers on the Internet using Cisco IOS. Please do not abuse these routers, please respect the greeting messages at the top of each routers login page.

  • The image map below was broken a long time ago, I'll fix it when I next get the opportunity. For now, please visit BGP4.net or NetConfigs.com for a list of public IPv4 route servers.

Hover over a circle to see location and company, click on a circle to directly telnet into that server.

Port Assignments

List of official current TCP/UDP ports. This file is not hosted on this site because of the dynamic nature of the data. The link provided is to IANA (Internet Assigned Numbers Authority).

ftp://ftp.iana.org/assignments/port-numbers

See ftp://ftp.iana.org/assignments for other tables and data relating to the TCP protocol and other Internet Protocols.

WHOIS

Geektools WHOIS - One of the better free whois query tools on the Internet. Also providing the scripts to install a whois query engine on your own web site.

Uwhois.com - Universal Whois.com, able to query just about every extension on the face of planet earth. Also some good info about whois and DNS.

 


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