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. By submitting any personal data, you acknowledge and agree that the personal data submitted will be processed in accordance with our Privacy Policy, and you agree to abide by the website Terms of Service.
% IANA WHOIS server % for more information on IANA, visit http://www.iana.org % This query returned 1 object domain: 188.in-addr.arpa organisation: Administered by RIPE NCC nserver: ns3.afrinic.net. nserver: ns3.lacnic.net. nserver: ns4.apnic.net. nserver: pri.authdns.ripe.net. nserver: rirns.arin.net. ds-rdata: 61633 13 2 1ba0c0e4a6d35e20861c2fdc18ad9d2f95b921aca0cbb755887d58c79e8f3014 whois: whois.ripe.net changed: 1993-05 changed: 2026-03-17 source: IANA