Traceroute, Looking Glass and Route Servers
Reverse Traceroute and Looking Glass Servers
IANA Root-Zone Whois Index by TLD Code
robtex swiss army knife internet tool
Hurricane Electric IPv6 Tunnel Broker
SixXS IPv6 deployment
Sixy - directory of IPv6 enabled web sites
DNSInspect - check the DNS setup of a domain.
DNSCheck - check the DNS setup of a domain.
DNS Bajaj - check the delegation of a domain.
Interactive DNS MX-verify - check the MX servers of a domain.
Command Lookup Tool (login required)
Feature Navigatior
Cisco Notification Service (login required)
Cisco and Juniper Password Cracker
Decode Password 7 Hash in a Cisco IOS Router
Cisco and Juniper Password Cracker
Wireless Geographic Logging Engine
Linux Wireless
hostapd - Linux IEEE 802.11 AP and IEEE 802.1X authenticator
MadWifi project - Linux kernel drivers for Atheros based WLAN devices
Proxy autoconfiguration URL for the local elho.net network:
http://www.elho.net/proxy.pac