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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mem-us

University of Memphis
Memphis, TN, US (122)
Time range2025-02-15 08:34 to 13:33 UTC (5 hours) (1 day ago)
Total traces45000
Traces with responding destinations4834 (10.742%)
ASes with responding destinations952 (16.485% out of 5775)
Prefixes with responding destinations3361 (13.879% out of 24217)
Protocol versionv4
Generated for cycle 12475 on 2025-02-16 11:03 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.