rdap.net runs a redirecting RDAP server. This is suitable for use with cURL, wget, and other HTTP clients.
The service supports domain, ip, and autnum queries, and will redirect queries to the authoritative RDAP server via a HTTP 302 redirect. A HTTP 404 response is returned for queries without a known RDAP server.
Example usage is as follows:
The bootstrap information is refreshed hourly.
The service runs on Google App Engine, with source code on GitHub.