Skip to Content
[CAIDA - Center for Applied Internet Data Analysis logo]
Center for Applied Internet Data Analysis > projects : ark : statistics

Archipelago (Ark): CAIDA's active measurement infrastructure serving the network research community since 2007.

|   Ark Monitors:    Hosting an Ark Monitor    Locations    Data Coverage    Statistics   |


University of Cambridge

Cambridge, UK (7)

IPv6 data used (switch to IPv4)

Time range2019-12-01 19:54 to 2019-12-02 09:47 UTC (14 hours) (227 days ago)
Total traces161859
Traces with responding destinations18409 (11.373%)
ASes with responding destinations6469 (35.949% out of 17995)
Prefixes with responding destinations16273 (22.098% out of 73639)
Protocol versionv6 (switch to v4)
Generated for cycle 300 on 2019-12-02 10:12 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.