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

Prev monitor: poa2-br
Prev in Europe: pna-es
Next monitor: pry-za
Next in Europe: psa4-it


Prague, CZ
IPv6 data used (switch to IPv4)
Time range2022-01-31 06:04 to 2022-02-01 05:05 UTC (23 hours) (675 days ago)
Total traces298405
Traces with responding destinations32380 (10.851%)
ASes with responding destinations9093 (32.635% out of 27863)
Prefixes with responding destinations26700 (19.076% out of 139969)
Protocol versionv6 (switch to v4)
Generated for cycle 293 on 2022-02-01 12:19 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.