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:       151.in-addr.arpa

organisation: Administered by RIPE NCC

nserver:      ns3.afrinic.net.
nserver:      ns3.lacnic.net.
nserver:      pri.authdns.ripe.net.
nserver:      sec3.apnic.net.
nserver:      sns-pb.isc.org.
nserver:      tinnie.arin.net.
ds-rdata:     13775 8 2 c68077ef1f930cce1a81c0374bc3bb01f115274bd8d4510766837e301cdaf8a7

whois:        whois.ripe.net

changed:      1993-05
changed:      2017-03-20
source:       IANA