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.


% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

domain:       16.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:     51091 5 1 e848dbf9900dfafbbaec1e9b3ca1938e5aba25fc
ds-rdata:     51091 5 2 760ccbf003c674ec561b7f2781df924007c163c1d8a03361e0a9ada91d9a0e6e

whois:        whois.arin.net

changed:      1994-11
changed:      2018-07-27
source:       IANA