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:       15.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:     43819 5 1 438b3dec96152967a682bdfdaffeb274485dc97c
ds-rdata:     43819 5 2 970a2e096e80817632cbd8b1bbf5499936e0a7607d46ee5eabea8a8b5e6f56e3

whois:        whois.arin.net

changed:      1994-07
changed:      2020-04-27
source:       IANA