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:       103.in-addr.arpa

organisation: APNIC

nserver:      apnic.authdns.ripe.net.
nserver:      ns1.apnic.net.
nserver:      ns2.lacnic.net.
nserver:      ns3.apnic.net.
nserver:      ns4.apnic.net.
nserver:      tinnie.arin.net.
ds-rdata:     26183 5 1 4a54592821b274e0e16b9c479a515e1fca6984a3
ds-rdata:     26183 5 2 44c66ae38f055e654ae207c5c75ecefb2f1aa25376621a7b763e9b1580570e27

whois:        whois.apnic.net

changed:      2011-02
changed:      2016-05-27
source:       IANA