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:       51.in-addr.arpa

organisation: Administered by RIPE NCC

nserver:      ns3.afrinic.net.
nserver:      ns3.lacnic.net.
nserver:      ns4.apnic.net.
nserver:      pri.authdns.ripe.net.
nserver:      tinnie.arin.net.
ds-rdata:     24556 8 2 680399F3FB9826E376AEE1863DDAF30AD6E16B428027F57442EF24B46FC0B8CE

whois:        whois.ripe.net

changed:      1994-08
changed:      2019-11-18
source:       IANA