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:       163.in-addr.arpa

organisation: Administered by APNIC

nserver:      apnic.authdns.ripe.net.
nserver:      apnic1.dnsnode.net.
nserver:      ns2.apnic.net.
nserver:      ns3.lacnic.net.
nserver:      tinnie.arin.net.
ds-rdata:     56003 5 1 aa8d399cd781a9830a58b3ead34839778d4360ba
ds-rdata:     56003 5 2 2c76b13e13191a4456d28c0b113f298eaf72e57fe3281e6e0b37122f60e78757

whois:        whois.apnic.net

changed:      1993-05
changed:      2018-08-28
source:       IANA