Files
cable-latency-survey/LICENSE-DATA.md
T
Toby ad8b889437 Add fe-map and iss sources, The Shape of Distance as published, contribution guide
- femap/: planar best-effort solver, build, result and page (fe-map.aethercosmology.com)
- satellites/: The Sync Test build, ISS elements, SatNOGS timings and page (iss.aethercosmology.com)
- src/handoff/The_Shape_of_Distance_PRESENTATION.html: inputs for both
- CONTRIBUTING.md; README and LICENSE-DATA cover all four sites; GitHub mirror for issues and pull requests

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-30 18:42:34 -04:00

3.5 KiB

Data licences

Measurements and derived data: CC BY 4.0

The measurements made for this survey and the data derived from them are licensed under the Creative Commons Attribution 4.0 International licence (https://creativecommons.org/licenses/by/4.0/), except for the third-party portions listed below. This covers:

  • src/data/ (Globalping results, Vultr and residential logs, routes, fits, network attribution);
  • cable_latency_survey_data.json, cable_latency_survey_data_v2.json;
  • cable_latency_survey_report.html and src/site/index.html;
  • femap/data/, femap/site/, satellites/data/sync.json, satellites/site/;
  • src/handoff/The_Shape_of_Distance_PRESENTATION.html.

Attribution: Cable Latency Survey (2026), https://pingstats.aethercosmology.com.

Third-party data

Source Where it appears Terms
TeleGeography Submarine Cable Map Cable routes, landing points and published lengths: cables, cable_geometry, cable_routes and the cable-route distances in the hand-off files; src/data/cables.json, src/data/network.json, the cable layer of the report. Raw files are not redistributed (src/fetch_raw.sh). © TeleGeography. Their former public data repository licensed this data under CC BY-NC-SA 3.0 (attribution, non-commercial, share-alike); TeleGeography now licenses the raw data commercially. Use these portions non-commercially, with attribution, and check TeleGeography's current terms before any other use.
WonderNetwork Per-pair statistics from the 2020-07-19/20 ping archive: src/data/wn_clean.json, src/data/wn_pairs_all.json, the wondernetwork records of the hand-off. The archive itself is not redistributed. © WonderNetwork; public archive at wp-public-data.s3.amazonaws.com/pings/; WonderNetwork's terms apply.
RIPE Atlas (RIPE NCC) Anchor metadata (src/raw/ripe_anchors*.json), traceroute results (src/data/trace.json, src/raw/trace/). RIPE NCC terms for RIPE Atlas data. Attribution: RIPE Atlas, RIPE NCC.
RIPEstat (RIPE NCC) RPKI validation results, src/data/rpki.json. RIPE NCC terms.
Globalping (jsDelivr) Probe results in src/data/live_*.json; probe list src/raw/gp_probes.json. Globalping terms. Attribution: Globalping.
FlightAware, flightsfrom.com Flight times in The Shape of Distance and femap/: per-direction median airborne times derived from FlightAware track logs (each linked), schedules from flightsfrom.com (each route linked). The logs themselves are not redistributed. © FlightAware; © flightsfrom.com; their terms apply to the underlying records.
CelesTrak ISS orbital elements, satellites/data/iss_25544_20261028.tle CelesTrak (data from the U.S. Space Force, space-track.org); CelesTrak's terms apply.
SatNOGS (Libre Space Foundation) ISS recordings and their timings in The Shape of Distance; satellites/data/satnogs_20261003.json and the values derived from them in satellites/ CC BY-SA 4.0. Attribution: SatNOGS Network, Libre Space Foundation.
GeoNames src/raw/geonames/cities15000.txt CC BY 4.0, https://www.geonames.org
Natural Earth, via world-atlas src/raw/geo/land-110m.json Natural Earth: public domain. world-atlas: ISC.
d3 src/raw/lib/d3.min.js, embedded in the report ISC, Mike Bostock.
RouteViews / CAIDA prefix2as, RIPE NCC AS names, PeeringDB Inputs to src/asmap.py; not redistributed. Derived attribution in src/data/asmap.json. Respective terms.

The residential connection's address and location are not included anywhere in this repository.