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:       44.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:     21613 5 1 1b9684dfa4058c52a2237e79da7781ea9861e8d6
ds-rdata:     21613 5 2 91a1b017b37ddd0b8472dfe0e2f1182ca986ad5317b4e58901eb88e2958f1e26

whois:        whois.arin.net

changed:      1992-07
changed:      2019-07-24
source:       IANA