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:     44771 5 1 9fbcc810a36c2f25a7890b774c6cb227275a92f9
ds-rdata:     44771 5 2 59574179b9be21d92e03de96ccda7d8fcfb4836670be7924f37711b9a222dbf8

whois:        whois.arin.net

changed:      1994-10
changed:      2020-10-07
source:       IANA