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For the Pakistan to hotmail.com (Microsoft WA) undns gets off track and goes to Australia. VTrace correctly gets hop 6 as being in Karachi (while Maxmind puts it in the middle of Pakistan), however VTrace loses track after getting to Frankfurt Germany (since hops 9-13 do not respond to pings), while Maxmind gets the end destination as being Microsoft's home of Redmond Washington.
Incomplete traceroutes
Often the traceroute does not complete to the destination. An example is the traceroute from SLAC to UTM in Johor Bahru, Malaysia. It stops at hop 16. TULIP is able to locate pinger.fsksm.utm.my pretty accurately since there is landmark at the site, while GeoIPTool (Maxmind) locates it in Sarawak. However, VTrace
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Other Visual Traceroutes
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