# 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`.

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. |
| 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.