This IP address has been reported a total of
49
times from
46 distinct
sources.
73.21.133.161 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 12
reports;
United States of America
with 9
reports;
Canada
with 4
reports.
The most common categories in these recent reports were:
SSH
46
times;
Brute-Force
42
times;
Port Scan
4
times;
Hacking
2
times;
IoT Targeted
1
time.
Recent Reports
We have received reports of abusive activity from this IP address within the last week. It is
potentially still actively engaged in abusive activities.
2026-10-05T19:50:25.042015+01:00 ozo-b456b sshd[3367976]: pam_unix(sshd:auth): authentication failur ...
show more2026-10-05T19:50:25.042015+01:00 ozo-b456b sshd[3367976]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=73.21.133.161
2026-10-05T19:50:27.202768+01:00 ozo-b456b sshd[3367976]: Failed password for invalid user ubuntu from 73.21.133.161 port 48648 ssh2
2026-10-05T19:50:30.489965+01:00 ozo-b456b sshd[3367976]: Failed password for invalid user ubuntu from 73.21.133.161 port 48648 ssh2
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Oct 5 15:32:42 GMNH10459 sshd[742703]: Failed password for ubuntu from 73.21.133.161 port 43914 ssh ...
show moreOct 5 15:32:42 GMNH10459 sshd[742703]: Failed password for ubuntu from 73.21.133.161 port 43914 ssh2
Oct 5 15:32:45 GMNH10459 sshd[742703]: Failed password for ubuntu from 73.21.133.161 port 43914 ssh2
Oct 5 15:32:54 GMNH10459 sshd[742703]: error: maximum authentication attempts exceeded for ubuntu from 73.21.133.161 port 43914 ssh2 [preauth]
Oct 5 15:33:00 GMNH10459 sshd[742928]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=73.21.133.161 user=ubuntu
Oct 5 15:33:02 GMNH10459 sshd[742928]: Failed password for ubuntu from 73.21.133.161 port 36724 ssh2
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2026-10-05T20:14:14.670220+03:00 uisp sshd[914285]: pam_unix(sshd:auth): authentication failure; log ...
show more2026-10-05T20:14:14.670220+03:00 uisp sshd[914285]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=73.21.133.161
2026-10-05T20:14:16.907193+03:00 uisp sshd[914285]: Failed password for invalid user ubuntu from 73.21.133.161 port 56978 ssh2
2026-10-05T20:14:21.388061+03:00 uisp sshd[914285]: Failed password for invalid user ubuntu from 73.21.133.161 port 56978 ssh2
2026-10-05T20:14:25.012524+03:00 uisp sshd[914285]: Failed password for invalid user ubuntu from 73.21.133.161 port 56978 ssh2
2026-10-05T20:14:27.166296+03:00 uisp sshd[914285]: Failed password for invalid user ubuntu from 73.21.133.161 port 56978 ssh2
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2026-10-05T16:16:53.565147+00:00 server sshd[2863849]: Invalid user ubuntu from 73.21.133.161 port 4 ...
show more2026-10-05T16:16:53.565147+00:00 server sshd[2863849]: Invalid user ubuntu from 73.21.133.161 port 43614
2026-10-05T16:16:54.352263+00:00 server sshd[2863849]: error: maximum authentication attempts exceeded for invalid user ubuntu from 73.21.133.161 port 43614 ssh2 [preauth]
2026-10-05T16:16:57.606280+00:00 server sshd[2863873]: Invalid user ubuntu from 73.21.133.161 port 52836
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Oct 5 16:00:25 lms sshd[29739]: Failed password for ubuntu from 73.21.133.161 port 36778 ssh2
Oct ...
show moreOct 5 16:00:25 lms sshd[29739]: Failed password for ubuntu from 73.21.133.161 port 36778 ssh2
Oct 5 16:00:27 lms sshd[29739]: Failed password for ubuntu from 73.21.133.161 port 36778 ssh2
Oct 5 16:00:30 lms sshd[29739]: Failed password for ubuntu from 73.21.133.161 port 36778 ssh2
Oct 5 16:00:31 lms sshd[29739]: Failed password for ubuntu from 73.21.133.161 port 36778 ssh2
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2026-10-05T11:45:39.254375+00:00 instance-20250823-2358 sshd[228940]: Failed password for ubuntu fro ...
show more2026-10-05T11:45:39.254375+00:00 instance-20250823-2358 sshd[228940]: Failed password for ubuntu from 73.21.133.161 port 45110 ssh2
2026-10-05T11:45:41.537957+00:00 instance-20250823-2358 sshd[228940]: Failed password for ubuntu from 73.21.133.161 port 45110 ssh2
2026-10-05T11:45:45.498623+00:00 instance-20250823-2358 sshd[228940]: Failed password for ubuntu from 73.21.133.161 port 45110 ssh2
2026-10-05T11:45:48.135212+00:00 instance-20250823-2358 sshd[228940]: Failed password for ubuntu from 73.21.133.161 port 45110 ssh2
2026-10-05T11:45:51.742315+00:00 instance-20250823-2358 sshd[228940]: Failed password for ubuntu from 73.21.133.161 port 45110 ssh2
2026-10-05T11:45:55.733329+00:00 instance-20250823-2358 sshd[228940]: Failed password for ubuntu from 73.21.133.161 port 45110 ssh2
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Multiple SSH login attempts from 73.21.133.161 targeting user(s): ubuntu | Server Managed by Focusni ...
show moreMultiple SSH login attempts from 73.21.133.161 targeting user(s): ubuntu | Server Managed by Focusnic
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2026-10-05T11:40:07.425489vm-v2-pico sshd[52857]: pam_unix(sshd:auth): authentication failure; logna ...
show more2026-10-05T11:40:07.425489vm-v2-pico sshd[52857]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=73.21.133.161
2026-10-05T11:40:09.238765vm-v2-pico sshd[52857]: Failed password for invalid user ubuntu from 73.21.133.161 port 36534 ssh2
2026-10-05T11:40:13.232976vm-v2-pico sshd[52857]: Failed password for invalid user ubuntu from 73.21.133.161 port 36534 ssh2
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Oct 4 22:25:41 LU-VPS01 sshd[11407]: pam_unix(sshd:auth): authentication failure; logname= uid=0 eu ...
show moreOct 4 22:25:41 LU-VPS01 sshd[11407]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=73.21.133.161
Oct 4 22:25:43 LU-VPS01 sshd[11407]: Failed password for invalid user ubuntu from 73.21.133.161 port 52580 ssh2
Oct 4 22:25:45 LU-VPS01 sshd[11407]: Failed password for invalid user ubuntu from 73.21.133.161 port 52580 ssh2
Oct 4 22:25:47 LU-VPS01 sshd[11407]: Failed password for invalid user ubuntu from 73.21.133.161 port 52580 ssh2
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SSH Brute force: 33 attempts were recorded from 73.21.133.161
2026-10-05T06:15:51+02:00 Invalid user ...
show moreSSH Brute force: 33 attempts were recorded from 73.21.133.161
2026-10-05T06:15:51+02:00 Invalid user ubuntu from 73.21.133.161 port 42844
2026-10-05T06:16:16+02:00 Invalid user ubuntu from 73.21.133.161 port 53682
2026-10-05T06:16:37+02:00 Invalid user ubuntu from 73.21.133.161 port 33882
2026-10-05T06:16:54+02:00 Invalid user admin from 73.21.133.161 port 37892
2026-10-05T06:17:16+02:00 Invalid user admin from 73.21.133.161 port 39364
2026-10-05T06:17:35+02:00 Invalid user admin from 73.21.133.161 port 41302
2026-10-05T06:17:48+02:00 Invalid user test2 from 73.21.133.161 port 51984
2026-10-05T06:18:10+02:00 Invalid user test2 from 73.21.133.161 port 50888
2026-10-05T06:18:33+02:00 Invalid user test2 from 73.21.133.161 port 48696
2026-10-05T06:18:44+02:00 Invalid user test1 from 73.21.133.161 port 42348
2026-10-05T06:19:09+02:00 Invalid user test1 from 73.21.133.161 port 49300
2026-10-05
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