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:       3.in-addr.arpa

organisation: Administered by ARIN

nserver:      ARIN.AUTHDNS.RIPE.NET.
nserver:      R.ARIN.NET.
nserver:      U.ARIN.NET.
nserver:      X.ARIN.NET.
nserver:      Y.ARIN.NET.
nserver:      Z.ARIN.NET.
ds-rdata:     35906 5 1 e06586fc81d24739adcf7758a9b0a06c91c0ebc5
ds-rdata:     35906 5 2 9b675bf35112f102b66543fb3b996c85d0b7a0da8ff05d6f3abf9a9e21cd54a8

whois:        whois.arin.net

changed:      1994-05
changed:      2020-10-07
source:       IANA