Resources
How this directory is built and checked
The evidence rules, the authorities each listing relies on, the dated record of changes and the downloadable datasets, in one place.
Evidence and corrections
Every listing names the source it came from, the date it was checked and the date it is due for review. These pages explain the rules those dates follow and how to correct a record.
- MethodologyHow a facility qualifies, what stays provider-claimed, and how freshness is tracked.
- SourcesThe authorities used, their licences and the limits on reuse.
- ChangesThe dated ledger of what was added, corrected or withdrawn.
- Send a correctionEvidence-backed corrections, reviewed against the same rules.
Data and background
The collections are published as files so they can be checked independently rather than taken on trust.
- Data exportFacility, cloud region and internet exchange collections as files.
- Research notesWorking notes on coverage, gaps and open questions.
- AboutWhat this directory is for and what it deliberately does not do.
- PublisherThe publishing identity and the correction policy.