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:       220.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:      tinnie.arin.net.
ds-rdata:     40094 5 1 dcb87d4dccf9271163b9116ad2e7244fbac0d23c
ds-rdata:     40094 5 2 03f6cb3b138f41e960b1246c8a345ed9d538b5351be4f89ae5eeefe96468774c

whois:        whois.apnic.net

changed:      2001-12
changed:      2017-05-30
source:       IANA