Determine how they are connected, but don't assume that a traceroute to their web server will give you the answer...
|Shortcuts: AS Mappings; Fixed_orbit
- search AS numbers or try the AS traceroute,
BGPLay - very cool (needs
Java), JASPI - (needs Java) Multiple DNS Look-up Engine
Other related pages: Whois., traceroute,
Consider these scenarios:
Here are several integrated multi-use tools:
Other advanced tools:
You should also explore the advanced options of traditional resources. For example the APNIC can show you all the IP numbers allocated to specific countries. Internet Protocols - Nice detailed write-up from Cisco about TCP-IP, BGP Technical Presentations, RFC 1786 - representing IP Routing Policies in a routing registry.
NANOG Meeting Archive, Ripe Meeting archive of presentations, SANOG (meeting archives are on left side)
Placeholder for interesting webpages: infosyssec, LFT Traceroute, technical info, infrastructure links, security tools,
Contact me at 703-729-1757 or Russ
If you use email, put "internet training" in the subject of the email.
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