Skip to Content
[CAIDA - Center for Applied Internet Data Analysis logo]
Center for Applied Internet Data Analysis
www.caida.org > 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   |

nrt-jp

APAN

Tokyo, JP (2)

Time range2018-05-19 00:11 to 2018-05-20 23:19 UTC (1 day 23 hours) (29 days ago)
Total traces504186
Traces with responding destinations63954 (12.685%)
ASes with responding destinations4620 (25.501% out of 18117)
Prefixes with responding destinations22747 (21.164% out of 107478)
Protocol versionv4
Generated for cycle 6672 on 2018-05-25 11:47 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.