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: 213.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: 48511 8 2 517659cca01ffe7f16e1034f43bfa5efcde8ecefada017082f37c262fa784ab3 whois: whois.ripe.net changed: 1993-10 changed: 2018-03-05 source: IANA