Log in to view charts and search reports for this IP.
Log In
No reports in the last 60 days
91.221.66.96 has been reported 398
times. The most recent report is from
.
The full history is preserved below and remains searchable. A
0% score reflects the absence of recent activity, but
this is not a guarantee that earlier reports were invalid. Abuse confidence score decays,
naturally, over time, when the abusive activity stops.
Feb 10 20:50:57 pkdns2 sshd\[30092\]: Address 91.221.66.96 maps to mail.dss.inc.ru, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!Feb 10 20:51:07 pkdns2 sshd\[30092\]: Failed password for root from 91.221.66.96 port 48352 ssh2 ...
show moreFeb 10 20:50:57 pkdns2 sshd\[30092\]: Address 91.221.66.96 maps to mail.dss.inc.ru, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!Feb 10 20:51:07 pkdns2 sshd\[30092\]: Failed password for root from 91.221.66.96 port 48352 ssh2Feb 10 20:55:24 pkdns2 sshd\[30198\]: Address 91.221.66.96 maps to mail.dss.inc.ru, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!Feb 10 20:55:33 pkdns2 sshd\[30198\]: Failed password for root from 91.221.66.96 port 59398 ssh2Feb 10 20:59:13 pkdns2 sshd\[30347\]: Address 91.221.66.96 maps to mail.dss.inc.ru, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!Feb 10 20:59:21 pkdns2 sshd\[30347\]: Failed password for root from 91.221.66.96 port 55082 ssh2
...
show less
Feb 10 17:53:16 srv-ubuntu-dev3 sshd[22707]: Failed password for root from 91.221.66.96 port 53242 ssh2
Feb 10 17:53:23 srv-ubuntu-dev3 sshd[22707]: Connection closed by authenticating user root 91.221.66.96 port 53242 [preauth]
Feb 10 17:56:14 srv-u ...
show moreFeb 10 17:53:16 srv-ubuntu-dev3 sshd[22707]: Failed password for root from 91.221.66.96 port 53242 ssh2
Feb 10 17:53:23 srv-ubuntu-dev3 sshd[22707]: Connection closed by authenticating user root 91.221.66.96 port 53242 [preauth]
Feb 10 17:56:14 srv-ubuntu-dev3 sshd[23170]: Did not receive identification string from 91.221.66.96 port 41244
Feb 10 18:00:38 srv-ubuntu-dev3 sshd[23811]: Did not receive identification string from 91.221.66.96 port 50362
Feb 10 18:04:02 srv-ubuntu-dev3 sshd[24257]: Did not receive identification string from 91.221.66.96 port 40744
...
show less
Feb 10 17:31:37 srv-ubuntu-dev3 sshd[19713]: Did not receive identification string from 91.221.66.96 port 51998
Feb 10 17:35:15 srv-ubuntu-dev3 sshd[20153]: Did not receive identification string from 91.221.66.96 port 42710
Feb 10 17:39:04 srv-ubuntu ...
show moreFeb 10 17:31:37 srv-ubuntu-dev3 sshd[19713]: Did not receive identification string from 91.221.66.96 port 51998
Feb 10 17:35:15 srv-ubuntu-dev3 sshd[20153]: Did not receive identification string from 91.221.66.96 port 42710
Feb 10 17:39:04 srv-ubuntu-dev3 sshd[20713]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.221.66.96 user=root
Feb 10 17:39:05 srv-ubuntu-dev3 sshd[20713]: Failed password for root from 91.221.66.96 port 54778 ssh2
Feb 10 17:39:13 srv-ubuntu-dev3 sshd[20713]: Connection closed by authenticating user root 91.221.66.96 port 54778 [preauth]
...
show less
Feb 10 15:45:53 srv-ubuntu-dev3 sshd[4355]: Did not receive identification string from 91.221.66.96 port 56158
Feb 10 15:48:51 srv-ubuntu-dev3 sshd[4805]: Did not receive identification string from 91.221.66.96 port 35510
Feb 10 15:52:19 srv-ubuntu-d ...
show moreFeb 10 15:45:53 srv-ubuntu-dev3 sshd[4355]: Did not receive identification string from 91.221.66.96 port 56158
Feb 10 15:48:51 srv-ubuntu-dev3 sshd[4805]: Did not receive identification string from 91.221.66.96 port 35510
Feb 10 15:52:19 srv-ubuntu-dev3 sshd[5177]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.221.66.96 user=root
Feb 10 15:52:21 srv-ubuntu-dev3 sshd[5177]: Failed password for root from 91.221.66.96 port 46362 ssh2
Feb 10 15:52:27 srv-ubuntu-dev3 sshd[5177]: Connection closed by authenticating user root 91.221.66.96 port 46362 [preauth]
...
show less
Feb 10 15:00:19 srv-ubuntu-dev3 sshd[29892]: Failed password for root from 91.221.66.96 port 60958 ssh2
Feb 10 15:00:27 srv-ubuntu-dev3 sshd[29892]: Connection closed by authenticating user root 91.221.66.96 port 60958 [preauth]
Feb 10 15:03:57 srv-u ...
show moreFeb 10 15:00:19 srv-ubuntu-dev3 sshd[29892]: Failed password for root from 91.221.66.96 port 60958 ssh2
Feb 10 15:00:27 srv-ubuntu-dev3 sshd[29892]: Connection closed by authenticating user root 91.221.66.96 port 60958 [preauth]
Feb 10 15:03:57 srv-ubuntu-dev3 sshd[30543]: Did not receive identification string from 91.221.66.96 port 49394
Feb 10 15:08:17 srv-ubuntu-dev3 sshd[31153]: Did not receive identification string from 91.221.66.96 port 55138
Feb 10 15:11:25 srv-ubuntu-dev3 sshd[31695]: Did not receive identification string from 91.221.66.96 port 60648
...
show less
Feb 10 14:39:44 srv-ubuntu-dev3 sshd[27305]: Did not receive identification string from 91.221.66.96 port 38010
Feb 10 14:43:08 srv-ubuntu-dev3 sshd[27717]: Did not receive identification string from 91.221.66.96 port 56500
Feb 10 14:47:02 srv-ubuntu ...
show moreFeb 10 14:39:44 srv-ubuntu-dev3 sshd[27305]: Did not receive identification string from 91.221.66.96 port 38010
Feb 10 14:43:08 srv-ubuntu-dev3 sshd[27717]: Did not receive identification string from 91.221.66.96 port 56500
Feb 10 14:47:02 srv-ubuntu-dev3 sshd[28128]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.221.66.96 user=root
Feb 10 14:47:05 srv-ubuntu-dev3 sshd[28128]: Failed password for root from 91.221.66.96 port 43824 ssh2
Feb 10 14:47:12 srv-ubuntu-dev3 sshd[28128]: Connection closed by authenticating user root 91.221.66.96 port 43824 [preauth]
...
show less
2026-02-10T12:40:42.098838+00:00 instance-20241019-1127 sshd[1453323]: error: kex_exchange_identification: read: Connection reset by peer
2026-02-10T12:40:42.099311+00:00 instance-20241019-1127 sshd[1453323]: Connection reset by 91.221.66.96 port 608 ...
show more2026-02-10T12:40:42.098838+00:00 instance-20241019-1127 sshd[1453323]: error: kex_exchange_identification: read: Connection reset by peer
2026-02-10T12:40:42.099311+00:00 instance-20241019-1127 sshd[1453323]: Connection reset by 91.221.66.96 port 60876
...
show less
2026-02-10T11:37:24.301862+00:00 instance-20241019-1127 sshd[1453064]: error: kex_exchange_identification: read: Connection reset by peer
2026-02-10T11:37:24.302433+00:00 instance-20241019-1127 sshd[1453064]: Connection reset by 91.221.66.96 port 332 ...
show more2026-02-10T11:37:24.301862+00:00 instance-20241019-1127 sshd[1453064]: error: kex_exchange_identification: read: Connection reset by peer
2026-02-10T11:37:24.302433+00:00 instance-20241019-1127 sshd[1453064]: Connection reset by 91.221.66.96 port 33280
...
show less
Hacking
Brute-Force
SSH
Think this IP has been falsely reported? You may request to have the associated
reports reviewed and removed.
Request Takedown