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:       233.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:     10036 8 1 c2c4648d5a2d4834cd18b92d376f82c5b5e19e95
ds-rdata:     10036 8 2 2a091efac75ed9188e8758838dcc2fac83a71e2c41ce13a9c382702f3d241378
ds-rdata:     28160 8 1 6c591cf955b4168d3b12b5fc77c758db591db529
ds-rdata:     28160 8 2 e69d430983a004659b866681d32ab5680b08e2bbc8176d800305d80d716949d2

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