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. By submitting any personal data, you acknowledge and agree that the personal data submitted will be processed in accordance with our Privacy Policy, and you agree to abide by the website Terms of Service.


% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

domain:       20.in-addr.arpa

organisation: Administered by ARIN

nserver:      arin.authdns.ripe.net.
nserver:      r.arin.net.
nserver:      u.arin.net.
nserver:      x.arin.net.
nserver:      y.arin.net.
nserver:      z.arin.net.
ds-rdata:     52459 5 1 9508233bc310f5346ed5b24b69dedd699a9b32e3
ds-rdata:     52459 5 2 2d71123658a608dfd632eea6f85a95c807559a67a3a72d527e3d8035471cdc7d

whois:        whois.arin.net

changed:      1994-10
changed:      2020-04-27
source:       IANA