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: 217.in-addr.arpa organisation: RIPE NCC nserver: ns3.afrinic.net. nserver: ns3.lacnic.net. nserver: ns4.apnic.net. nserver: pri.authdns.ripe.net. nserver: sns-pb.isc.org. nserver: tinnie.arin.net. ds-rdata: 10177 8 2 e3e4be45dd4fa74f558b3201e8a2c673336330194b6079d071753ba06213a080 whois: whois.ripe.net changed: 2000-06 changed: 2018-03-05 source: IANA