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:       18.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:     59422 5 1 b7040db8d03cf7212fcbac79bace5dc91afd09ee
ds-rdata:     59422 5 2 9a80e1c2ad5ae888e6fe764d1b0718ba4ff9050d8d76f1283fc1175b89a8f5f9

whois:        whois.arin.net

changed:      1994-01
changed:      2020-04-27
source:       IANA