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.apnic.net.
nserver:      ns2.lacnic.net.
nserver:      ns3.apnic.net.
nserver:      tinnie.arin.net.
ds-rdata:     23947 5 1 1b8e91e198aa24079c40eb17053328427e6490bd
ds-rdata:     23947 5 2 b4256ada99f59a2be8974809b2a1374b61c3ea3aa303b6b92b19866f4c3533c1

whois:        whois.apnic.net

changed:      2011-02
changed:      2017-12-20
source:       IANA