Here are some interesting Network Support Tools on the Web
Email Trace Visually on Google Maps
http://map.butterfat.net/emailroutemap/getpoints.pl
Visually find Location of an IP
http://www.rleeden.no-ip.com/geotool.php
IP Calculator
http://jodies.de/ipcalc
Ping
-->
www.tracert.com
Trace route
-->
www.tracert.com
Trace route
www.geektools.com
Trace route
www.traceroute.org
Trace route
www.traceroute.nl
Trace route -->
www.opus1.com
Visual trace route-->
www.visualware.com
Looking glass
www.traceroute.org
Route servers
www.traceroute.org
Nameserver lookup
www.simplelogic.com
Multiple DNS lookup
www.bankes.com
Multiple domain lookup
www.domainsearch.com
Nameserver query
cgibin.erols.com
Nameserver query
www.demon.net
DNS checks
www.dnsstuff.com
DNS and other good checks
http://www.squish.net/dnscheck/
DNS checks
http://www.checkdns.net/
DNS check tool
www.hq42.net
Dig DNS
www.analogx.com
Dig DNS
us.mirror.menandmice.com
DNS Dossier
centralops.net
Visual DNS
-->
www.zonecut.net
Root Name Servers
root-tools.com
DNS Stuff
-->
www.dnsstuff.com
E
mail Black List Check
http://www.mxtoolbox.com/blacklists.aspx
Finger
www.mit.edu
Finger
www.emailman.com
Whois
www.geektools.com
Whois
www.hq42.net
Core whois
www.corenic.net
Ripe whois
www.ripe.net
Arin whois
www.arin.net
Apnic whois
www.apnic.net
HTTP query
www.netcraft.com
HTTP query
www.windows-expert.net
HTTP/HTTPS check
www.hq42.net
SSL encryption report
www.fortify.net
MIB Viewer
dotnet.dart.com
Relay test
www.abuse.net
HTTP to FTP gateway
www.web2ftp.com
HTTP to FTP gateway
www.net2ftp.com
FTP check
www.hq42.net
SMTP check
www.hq42.net
Pop3 check
www.hq42.net
WWW validation
codeflux.com
Tidy WWW
codeflux.com
WWW performance
codeflux.com
WWW performance
www.webscale.com
Engine Viewer
www.webscale.com
Subnet calculator
www.geektools.com
Subnet calculator
www.subnetonline.com
Address calculator
www.geektools.com
Bandwidth Speed test
bandwidthplace.com
Note
: Gives your Router IP Live address
if rest of path is Nat'ed