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:       91.in-addr.arpa

organisation: RIPE NCC

nserver:      ns3.afrinic.net.
nserver:      ns3.lacnic.net.
nserver:      ns4.apnic.net.
nserver:      pri.authdns.ripe.net.
nserver:      sns-pb.isc.org.
nserver:      tinnie.arin.net.
ds-rdata:     36814 8 2 d2d166a191c53439bfa51eaf3122504afe29590874d2fd5b88b7e2aef332621a

whois:        whois.ripe.net

changed:      2005-06
changed:      2018-03-05
source:       IANA