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   |


Philadelphia, PA, US (76)

Time range2019-10-04 02:05 to 09:54 UTC (8 hours) (312 days ago)
Total traces90000
Traces with responding destinations11630 (12.922%)
ASes with responding destinations1862 (20.767% out of 8966)
Prefixes with responding destinations6721 (16.939% out of 39678)
Protocol versionv4
Generated for cycle 7760 on 2019-10-05 11:20 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.