The IANA WHOIS Service is provided using the WHOIS protocol on port 43. This web gateway will query this server and return the results. Accepted query arguments are domain names, IP addresses and AS numbers.
% IANA WHOIS server % for more information on IANA, visit http://www.iana.org % This query returned 1 object domain: 4.0.1.0.0.2.ip6.arpa organisation: ARIN nserver: ARIN.AUTHDNS.RIPE.NET. nserver: R.ARIN.NET. nserver: U.ARIN.NET. nserver: X.ARIN.NET. nserver: Y.ARIN.NET. nserver: Z.ARIN.NET. ds-rdata: 64824 5 1 CFA09B683849459CA3E6DBAFBADD38A86548AE2C whois: whois.arin.net changed: 1999-07-01 changed: 2016-03-22 source: IANA