Hallo,
.. 5 13:16:46 confixxlight sshd[4147]: Accepted password for ROOT from ::ffff:11.22.33.44 port 4585 ssh2
"whois $IP" in der Shell deiner Wahl eigeben.
stefan@server:~$ whois ::ffff:11.22.33.44
% RIPEdb(3.0.0b2) with ISI RPSL extensions
% No entries found in 6BONE database.
Viele Grüße,
Stefan