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. By submitting any personal data, you acknowledge and agree that the personal data submitted will be processed in accordance with our Privacy Policy, and you agree to abide by the website Terms of Service.


% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

domain:       201.in-addr.arpa

organisation: LACNIC

nserver:      NS-LACNIC.NIC.MX.
nserver:      NS.LACNIC.NET.
nserver:      NS2.LACNIC.NET.
nserver:      NS3.AFRINIC.NET.
nserver:      NS4.APNIC.NET.
nserver:      RIRNS.ARIN.NET.
nserver:      a.arpa.DNS.BR.
nserver:      a.lactld.org.
ds-rdata:     31309 8 1 3BBD94ACF264548A866591B2BFF16E565E4121D9
ds-rdata:     31309 8 2 588513C11AB8373E28B40ABF7A5A292A4B2EF31C642A9598F0B9F5B0 C045EB8C

whois:        whois.lacnic.net

changed:      2003-04
changed:      2021-01-27
source:       IANA