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Networking


Bandwidth Tests

Note:  Run several tests to different regional servers for a comprehensive look at your broadband capabilities.
speedof.me

Bandwidth Usage Estimating Tools 

BGP

BGPmon.net
Hurricante Electric's, "BGP Toolkit"
stat.ripe.net

     BGPPlay

DNS

"IntoDNS checks the health and configuration and provides DNS report and mail servers report.

And provides suggestions to fix and improve them, with references to protocols’ official documentation."

"The eventual purpose of this software is to offer an as complete as possible diagnostic tool to enable thorough validation and testing of DNS and MX records as well as mail server testing, SPF testing and analysis of domain keys. Not all of these features are implemented yet but we plan to add them over time."
 
"whatsmydns.net is an online service that allows you to instantly perform a DNS lookup to check a hostnames current IP Address and other DNS information against a selection of random name servers around the world. This is especially useful to check the current state of DNS propagation after making changes to your domains zones."

Internet Monitoring

CAIDA
Center for Applied Internet Data Analysis

CIDR Report 
(bgp.potaroo.net)

Digital Attack Map
Top daily DDoS attacks worldwide

Internet Pulse
Internet Health Report
The Internet Traffic Report monitors the flow of data around the world. It then displays a value between zero and 100. Higher values indicate faster and more reliable connection

Norse Attack Map

Norse maintains the world’s largest dedicated threat intelligence network. With over eight million sensors that emulate over six thousand applications – from Apple laptops, to ATM machines, to critical infrastructure systems, to closed-circuit TV cameras - the Norse Intelligence Network gathers data on who the attackers are and what they’re after. Norse delivers that data through the Norse Appliance, which pre-emptively blocks attacks and improves your overall security ROI, and the Norse Intelligence Service, which provides professional continuous threat monitoring for large networks.
SecurityWizardry.com is a FREE Information Security portal containing a directory of our users favourite security products, all of which are open to be rated or slated. It is also home to the famous Talisker Radar Page used by thousands, even the US NSA.

IPv6

IPv6 Community
My Favorite?
"0xDEFEC8ED ("defecated") is the magic number for OpenSolaris core dumps."

Looking Glass Lists

Ports

Protocols

RADB

Security

SNMP

WHOIS