This IP address has been reported a total of
197
times from
79 distinct
sources.
154.242.153.221 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 67
reports;
Netherlands
with 36
reports;
United Kingdom of Great Britain and Northern Ireland
with 17
reports.
The most common categories in these recent reports were:
Brute-Force
193
times;
SSH
186
times;
Port Scan
9
times;
Bad Web Bot
1
time;
Web App Attack
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.
Oct 18 00:15:21 srv-ubuntu-dev3 sshd[4049026]: Connection closed by authenticating user root 154.242 ...
show moreOct 18 00:15:21 srv-ubuntu-dev3 sshd[4049026]: Connection closed by authenticating user root 154.242.153.221 port 54722 [preauth]
Oct 18 00:15:21 srv-ubuntu-dev3 sshd[4049030]: Invalid user ubuntu from 154.242.153.221 port 55920
Oct 18 00:15:21 srv-ubuntu-dev3 sshd[4049030]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.242.153.221
Oct 18 00:15:24 srv-ubuntu-dev3 sshd[4049030]: Failed password for invalid user ubuntu from 154.242.153.221 port 55920 ssh2
Oct 18 00:15:24 srv-ubuntu-dev3 sshd[4049030]: Connection closed by invalid user ubuntu 154.242.153.221 port 55920 [preauth]
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2026-10-17T21:54:40.224734+00:00 EO-FE-01 sshd[128006]: Invalid user check4cyber from 154.242.153.22 ...
show more2026-10-17T21:54:40.224734+00:00 EO-FE-01 sshd[128006]: Invalid user check4cyber from 154.242.153.221 port 32296
2026-10-17T21:54:39.174277+00:00 EO-FE-01 sshd[128003]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.242.153.221
2026-10-17T21:54:41.106075+00:00 EO-FE-01 sshd[128003]: Failed password for invalid user ubuntu from 154.242.153.221 port 41082 ssh2
2026-10-17T21:54:40.303037+00:00 EO-FE-01 sshd[128006]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.242.153.221
2026-10-17T21:54:42.370957+00:00 EO-FE-01 sshd[128006]: Failed password for invalid user check4cyber from 154.242.153.221 port 32296 ssh2
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2026-10-17T23:46:52.100122+02:00 serengeti sshd-session[2560978]: Failed password for root from 154. ...
show more2026-10-17T23:46:52.100122+02:00 serengeti sshd-session[2560978]: Failed password for root from 154.242.153.221 port 40178 ssh2
2026-10-17T23:46:52.991250+02:00 serengeti sshd-session[2560980]: Invalid user ubuntu from 154.242.153.221 port 16698
2026-10-17T23:46:53.080162+02:00 serengeti sshd-session[2560980]: Failed password for invalid user ubuntu from 154.242.153.221 port 16698 ssh2
2026-10-17T23:52:03.044605+02:00 serengeti sshd-session[2561759]: Failed password for root from 154.242.153.221 port 42478 ssh2
2026-10-17T23:52:08.606511+02:00 serengeti sshd-session[2561767]: Invalid user preconference from 154.242.153.221 port 44582
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2026-10-17T21:48:57.700762+00:00 dockage sshd-session[3727331]: Invalid user ubuntu from 154.242.153 ...
show more2026-10-17T21:48:57.700762+00:00 dockage sshd-session[3727331]: Invalid user ubuntu from 154.242.153.221 port 57410
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Oct 17 21:45:52 ubuntu sshd[532722]: Invalid user ubuntu from 154.242.153.221 port 52966
Oct 17 21:4 ...
show moreOct 17 21:45:52 ubuntu sshd[532722]: Invalid user ubuntu from 154.242.153.221 port 52966
Oct 17 21:45:52 ubuntu sshd[532722]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.242.153.221
Oct 17 21:45:54 ubuntu sshd[532722]: Failed password for invalid user ubuntu from 154.242.153.221 port 52966 ssh2
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2026-10-17T23:20:40.573516+02:00 serengeti sshd-session[2556469]: Invalid user ubuntu from 154.242.1 ...
show more2026-10-17T23:20:40.573516+02:00 serengeti sshd-session[2556469]: Invalid user ubuntu from 154.242.153.221 port 53378
2026-10-17T23:20:40.674170+02:00 serengeti sshd-session[2556469]: Failed password for invalid user ubuntu from 154.242.153.221 port 53378 ssh2
2026-10-17T23:20:41.229329+02:00 serengeti sshd-session[2556485]: Invalid user serengeti from 154.242.153.221 port 54406
2026-10-17T23:20:41.330253+02:00 serengeti sshd-session[2556485]: Failed password for invalid user serengeti from 154.242.153.221 port 54406 ssh2
2026-10-17T23:20:41.506991+02:00 serengeti sshd-session[2556462]: Failed password for root from 154.242.153.221 port 50769 ssh2
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2026-10-17T23:13:35.586644+02:00 server sshd-session[97596]: Invalid user ubuntu from 154.242.153.22 ...
show more2026-10-17T23:13:35.586644+02:00 server sshd-session[97596]: Invalid user ubuntu from 154.242.153.221 port 40598
2026-10-17T23:13:36.771367+02:00 server sshd-session[97596]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.242.153.221
2026-10-17T23:13:39.060240+02:00 server sshd-session[97596]: Failed password for invalid user ubuntu from 154.242.153.221 port 40598 ssh2
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Oct 17 23:01:15 host sshd[3904589]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid ...
show moreOct 17 23:01:15 host sshd[3904589]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.242.153.221
Oct 17 23:01:17 host sshd[3904589]: Failed password for invalid user ubuntu from 154.242.153.221 port 44260 ssh2
Oct 17 23:01:17 host sshd[3904597]: Invalid user linkaientertainment from 154.242.153.221 port 45390
Oct 17 23:01:17 host sshd[3904597]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.242.153.221
Oct 17 23:01:19 host sshd[3904597]: Failed password for invalid user linkaientertainment from 154.242.153.221 port 45390 ssh2
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2026-10-17T20:56:14.169531+00:00 kansas1 sshd[4148397]: Invalid user clawcord from 154.242.153.221 p ...
show more2026-10-17T20:56:14.169531+00:00 kansas1 sshd[4148397]: Invalid user clawcord from 154.242.153.221 port 5812
2026-10-17T20:56:13.075379+00:00 kansas1 sshd[4148390]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.242.153.221
2026-10-17T20:56:14.360498+00:00 kansas1 sshd[4148390]: Failed password for invalid user ubuntu from 154.242.153.221 port 49116 ssh2
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Oct 17 22:51:08 main-angler sshd[1902861]: pam_unix(sshd:auth): authentication failure; logname= uid ...
show moreOct 17 22:51:08 main-angler sshd[1902861]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.242.153.221
Oct 17 22:51:08 main-angler sshd[1902861]: Invalid user ubuntu from 154.242.153.221 port 44964
Oct 17 22:51:10 main-angler sshd[1902861]: Failed password for invalid user ubuntu from 154.242.153.221 port 44964 ssh2
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Oct 17 22:49:04 CyberGecko sshd[3275793]: Failed password for root from 154.242.153.221 port 48554 s ...
show moreOct 17 22:49:04 CyberGecko sshd[3275793]: Failed password for root from 154.242.153.221 port 48554 ssh2
Oct 17 22:49:04 CyberGecko sshd[3275796]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.242.153.221
Oct 17 22:49:05 CyberGecko sshd[3275796]: Failed password for invalid user ubuntu from 154.242.153.221 port 55525 ssh2
Oct 17 22:49:06 CyberGecko sshd[3275803]: Invalid user schiessstandverwaltung from 154.242.153.221 port 50860
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