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:       221.in-addr.arpa

organisation: APNIC

nserver:      apnic.authdns.ripe.net.
nserver:      apnic1.dnsnode.net.
nserver:      ns1.apnic.net.
nserver:      ns2.apnic.net.
nserver:      ns2.lacnic.net.
nserver:      ns3.apnic.net.
nserver:      tinnie.arin.net.
ds-rdata:     44647 5 1 09ab0108a7fdbfb768d864753402486d13b207c1
ds-rdata:     44647 5 2 81f11434ee29a10ac68ea17de78377d5e3b64c272162cd78e7e71910717ac541

whois:        whois.apnic.net

changed:      2002-07
changed:      2017-12-20
source:       IANA