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:       237.in-addr.arpa

organisation: Multicast

nserver:      a.iana-servers.net.
nserver:      b.iana-servers.net.
nserver:      c.iana-servers.net.
nserver:      ns.icann.org.
ds-rdata:     13204 8 1 5aed1dced1551625093282c239b300d0434dc3d2
ds-rdata:     13204 8 2 e6fcdfb3fc84132c45881e848d3211d1fed1b35a2c01cc54e7e103c251deff65
ds-rdata:     605 8 1 015950875781bbb7a9f085306716ecb0602cf9fc
ds-rdata:     605 8 2 cee7e8694d840364b411d39adf67444ad923534ad1f342a705fb2110654e810c

changed:      1981-09
changed:      2015-06-05
source:       IANA