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: 163.in-addr.arpa organisation: Administered by APNIC nserver: apnic.authdns.ripe.net. nserver: ns1.apnic.net. nserver: ns2.apnic.net. nserver: ns3.lacnic.net. nserver: rirns.arin.net. ds-rdata: 35817 13 2 E08B855573256A1F8BA3550EFEF52E181A2DD99A5BACF35F401081E1A9DEC992 whois: whois.apnic.net changed: 1993-05 changed: 2025-06-19 source: IANA