>> ARIN, APNIC, and RIPE have prototypes already that are a lot easier to >> script than the text WHOIS. > > Meaning the data structure is in place or they have a RDAP service up? Both. ARIN's and RIPE's are based on early versions so the URLs and JSON aren't quite what RDAP says they should be yet. > If so, is it publicly accessible? Google is your friend. R's, John