DOMAIN & IP REGISTRARS

• Internet Domain Registrars ~ The new service for registering your domain name.

• Network Solutions ~ The former primary registrar of domain names. Nasty people.

• InterNIC ~ The original, official site for registering and querying domain names.

• ICANN ~ Responsible for the IP addresses, domain name system management, and root servers.

• American Registry for Internet Numbers ~ Official registrar of all American IP numbers.

• Asian Pacific Network Information Center ~ Official registrar of all Asian IP numbers.

• Reseaux IP Europeens ~ Official registrar of all European IP numbers.

• IANA Port Number Assignments ~ Listing of ports used on servers.

• Regional Internet Registries ~ Listing of address space and the controlling organization.

• Netcraft Web Site Finder ~ Check the name (and variations) of web site names.

INTERNET SERVICE PROVIDERS

• MCSNet - Competitive Comparison ~ Networking terms and definitions.

• Internet Service Providers ~ A global listing of ISP services and prices.

• DSL Reports ~ Information about DSL.

• Cable Datacom News ~ News about the cable industry with cable modem focus.

• Megapath DSL ~ Inexpensive DSL service in San Diego.

• Juno ~ Broad range of links and services.

• Wi-Fi Hotspots ~ Listing of wi-fi hotspots throughout the US..

DYNAMIC DNS

• DynDNS ~ Great free/paid service that offers a variety of DNS and mail redirection services.

• ZoneEdit ~ Free DNS with a web GUI, mail forwarding, and very reliable, speedy service.

• Granite Canyon ~ Free public DNS service provided by Granite Canyon Group.

TESTING & PERFORMANCE OPTIMIZATION

• Internet Weather Report ~ Statistics for major Internet connectivity providers.

• The Internet Traffic Report ~ Statistics relating to the Internet around the world.

• What's That Site Running ~ Netcraft's server software query tool. Finds domains too.

• Boardwatch List of Traceroute Servers ~ Large list of traceroute servers.

• Traceroute.org ~ List of traceroute services from remote servers to anywhere on the net.

• Tracert.com ~ List of traceroute services from remote servers to anywhere on the net.

• Altopia Traceroute ~ Reverse traceroute of packets to Altopia. Also has some net stats.

• Virtualis Traceroute ~ Ping and traceroute from Virtualis to your computer.

• DIGEX - NSG ~ Looking Glass sites.

• SpeedGuide ~ Computer, DSL and cable modem performance and optimization guide.

• 2Wire Bandwidth Meter ~ Approximation of your connection speed.

• Bandwidth Speed Test ~ Approximation of your connection speed.

• BandwidthPlace Speed Test ~ Approximation of your connection speed.

• Squigly Media Corp ~ Approximation of your connection speed.

• Shields UP ~ Displays what information on your computer is visible to other people.

• Symantec Port Scan ~ Remote scanning of your computer's ports.

• Sygate Port Scan ~ Remote scanning of your computer's ports.

• Secure-Me ~ Online scan for security problems at your IP.

• CAIDA Measurement Tool Taxonomy ~ Listing of available performance tools.

• VisualRoute ~ Software that displays a geographical map of the path of a traceroute.

• Connect IP ~ Monitors 1 to 5 IP addresses for connectivity using a standard ICMP ping.

FIREWALLS, VPN & NETWORK ADDRESS TRANSLATION

• The NAT Homepage ~ Network Address Translation information and products links.

• NAT32 ~ Guide to Setting Up Private LANs on the Internet

• WinGate ~ NAT, Proxy server & firewall.

• Sybergen Networks ~ SyGate NAT software and SyShield personal firewall.

• Network Associates ~ Net Tools, Sniffer, PGP, McAfee anti virus, Service Desk.

FILE SHARING

• Freenet ~ Anonymous file sharing with a distributed server model.