One place for every way to reach slash0.
early access Request a design-partner slot for the hosted tier. Tell us which services you allowlist and which regions you run in. request a service Ask for a vendor to be added to the catalog. Include a link to the vendor's published ranges if you know of one. vendor partnerships If you work at a service whose customers ask what to allowlist: we publish your official ranges in a standard machine-readable format and keep them current for every consumer. No cost, no obligation. security reports Private disclosure for vulnerabilities and incorrect list contents. Also listed insecurity.txt.
anything else
Data questions, corrections, and everything that does not fit above: open an issue on the feed repository.