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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ral-us

UC Riverside
Riverside, US (130)
Time range2025-06-18 09:15 to 14:10 UTC (5 hours) (12 days ago)
Total traces45000
Traces with responding destinations4897 (10.882%)
ASes with responding destinations952 (16.551% out of 5752)
Prefixes with responding destinations3435 (14.214% out of 24167)
Protocol versionv4
Generated for cycle 13066 on 2025-06-19 11:29 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.