Sources #
You're a data person and only trust the statistics that you doctored yourself? Here's all the data right from the source, doctor.
Main sources #
We get most of our data from the services below.
- CollecTor collects and archives data from various nodes and services in the public Tor network.
- Statistics used for visualizations on this site are available in the CSV format.
- Onionoo provides current and historical data about relays and bridges via a web-based API.
- Reproducible Metrics specifies how to reproduce the data behind the graphs on this site.
Other sources #
The following tools perform active measurements in the Tor network or provide other Tor network data.
- Exitmap is a fast and extensible scanner for Tor exit relays.
- TorDNSEL publishes lists of IP addresses of multi-homed Tor exits.
- OnionPerf measures Tor performance with a set of utilities and Python scripts.
- OONI detects censorship, surveillance, and traffic manipulation on the internet.
- Sybilhunter attempts to detect Sybil attacks on the Tor network.
New sources #
We have written guidelines for Tor developers that would like metrics collected by their service to be integrated with Tor Metrics.
Specifications #
The following specification documents are available for Tor network data.