Ketäon 83.in-addr.arpa ?

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

domain: 83.in-addr.arpa

organisation: RIPE NCC

nserver: ns3.afrinic.net.
nserver: ns3.lacnic.net.
nserver: ns4.apnic.net.
nserver: pri.authdns.ripe.net.
nserver: rirns.arin.net.
ds-rdata: 59304 13 2 fbff8fac183556cbb949478addc0f42387c795c11ebebf26f647ecaf94d05740

whois: whois.ripe.net

changed: 2003-11
changed: 2025-03-27
source: IANA

% This is the RIPE Database query service.
% The objects are in RPSL format.
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% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

%ERROR:201: access denied for 2a04:3540:1000:310:a8aa:12ff:fe23:d7b
%
% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
% https://docs.db.ripe.net/FAQ/#why-did-i-receive-an-error-201-access-denied

% This query was served by the RIPE Database Query Service version 1.120 (DEXTER)