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:       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:     62093 5 1 b99fa6265f869550dbb66f692a6144f00406a5cb
ds-rdata:     62093 5 2 b334ea01be679eebd1a65e7fe1bb57025166d0a1bdda9d12987636e3210a60af

whois:        whois.arin.net

changed:      1994-01
changed:      2017-04-21
source:       IANA