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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ord-us

DePaul University
Chicago, IL, US (66)
IPv6 data used (switch to IPv4)
Time range2021-09-23 00:45 to 2021-09-24 02:45 UTC (1 day 2 hours) (245 days ago)
Total traces307771
Traces with responding destinations30013 (9.752%)
ASes with responding destinations8668 (31.999% out of 27088)
Prefixes with responding destinations24407 (18.501% out of 131921)
Protocol versionv6 (switch to v4)
Generated for cycle 290 on 2021-09-24 11:16 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.