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:       171.in-addr.arpa

organisation: Administered by 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:     37793 5 1 19bdaffb88de1a10ba20b039d371a12f2fa91db2
ds-rdata:     37793 5 2 728a66fb2524759da77ca6c52599bc0c4a639457696ba82c64c3597c8ebf08b1

whois:        whois.apnic.net

changed:      1993-05
changed:      2017-05-30
source:       IANA