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:       52.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:     13282 5 1 fe665bbb62aa1fe8bcc3dcd9f54a77ec8168c4c9
ds-rdata:     13282 5 2 c4eeb94c396fbebda05b894d69fbaf2c74e0a59bfe39275b32d8c0c9c7980568

whois:        whois.arin.net

changed:      1991-12
changed:      2020-10-07
source:       IANA