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.lacnic.net.
nserver:      ns3.apnic.net.
nserver:      ns4.apnic.net.
nserver:      tinnie.arin.net.
ds-rdata:     26534 5 1 252f864f925203ee26342711a4859b3c4e54da8a
ds-rdata:     26534 5 2 c443516dc9af6577401d5658e51fae9b00a245709c9eb980a30e763ee0660bdc

whois:        whois.apnic.net

changed:      2002-07
changed:      2016-05-27
source:       IANA