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It works by first finding the traceroute to the target using the traceroute.pl installed at the monitoring node and then geolocating each of the intermediate hop routers using TULIP. It can be accessed from http://tulip.slac.stanford.edu or here.
We use TULIP's dynamic ping-based geolocation as compared to say database methods such as used by MaxMind derived tools like GeoIPTools, since often router locations in the database tend to be given as at the corporate HQ that owns the routers (e.g. ESnet routers may supposedly be located in Berkeley).
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| SLAC to CERN | SLAC to ICTP Trieste | SLAC to NUST | SLAC to UCSD | SLAC to Melbourne | SLAC to Waikato New Zealand | SLAC to U Oregon |
|---|---|---|---|---|---|---|
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