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:       163.in-addr.arpa

organisation: Administered by APNIC

nserver:      apnic.authdns.ripe.net.
nserver:      apnic1.dnsnode.net.
nserver:      ns1.apnic.net.
nserver:      ns3.apnic.net.
nserver:      tinnie.arin.net.
ds-rdata:     22414 5 1 ca23f1551de5cf5a040167937ba134ca1b3e302e
ds-rdata:     22414 5 2 5f07e33db2b61d80bd51afbc81e23b21823d22c6fcd6bd0f97c2a85b849844e7

whois:        whois.apnic.net

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