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:       49.in-addr.arpa

organisation: APNIC

nserver:      apnic.authdns.ripe.net.
nserver:      apnic1.dnsnode.net.
nserver:      ns1.apnic.net.
nserver:      ns2.lacnic.net.
nserver:      ns3.apnic.net.
nserver:      ns4.apnic.net.
nserver:      tinnie.arin.net.
ds-rdata:     23561 5 1 e3d37800231daa397d9f4b5ad6548e638501aa1e
ds-rdata:     23561 5 2 7e53fa64f7ba1b6a96b305929fbfdd653986b5e3b3463e478b4cf6a153256a16

whois:        whois.apnic.net

changed:      2010-08
changed:      2016-05-27
source:       IANA