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:     38620 8 2 7320ec47191701e317ec27ee2269a9c9cf2198bbe5f25d98447f71a549ae429c

whois:        whois.arin.net

changed:      1994-10
changed:      2021-06-16
source:       IANA