Archipelago Monitor Statistics

Archipelago (Ark): CAIDA's active measurement infrastructure serving the network research community since 2007.
Statistical information for the topology traces taken by this individual Ark monitor is displayed below. See the main statistics page for the full list of monitors


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cef-us

Massachusetts Green High Performance Computing Center
Holyoke, MA, US (95)
Time range2024-11-05 07:31 to 13:59 UTC (6 hours) (30 days ago)
Total traces60000
Traces with responding destinations7151 (11.918%)
ASes with responding destinations1264 (18.351% out of 6888)
Prefixes with responding destinations4672 (15.602% out of 29945)
Protocol versionv4
Generated for cycle 12055 on 2024-11-07 09:28 UTC

All images can be clicked on for more detailed information.

Median RTT per country and US state

Mapping RTT by political boundaries can reveal where high latency issues are located.

Path Dispersion

The paths taken by different traces show where the majority of a monitor's traffic travels.

Path Length Distributions

Path length distributions show, on aggregate, how well-connected a monitor is to the rest of the Internet.