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:       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:     53554 5 1 a4f368a464ff58b35576cbe02d9ee67731964a93
ds-rdata:     53554 5 2 cf87ad2c8244ba1f1c2d4a7de2c0955dab8edb43c1eddc936b7c2e604a7c69ee

whois:        whois.arin.net

changed:      1994-07
changed:      2017-06-09
source:       IANA