This IP address has been reported a total of
43
times from
40 distinct
sources.
2.28.55.121 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 15
reports;
United States of America
with 7
reports;
France
with 4
reports.
The most common categories in these recent reports were:
SSH
40
times;
Brute-Force
38
times;
Port Scan
2
times;
Hacking
1
time;
Exploited Host
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.
2026-10-05T21:24:28.708997+03:00 node-36311.nodehost.ru sshd[522673]: pam_unix(sshd:auth): authentic ...
show more2026-10-05T21:24:28.708997+03:00 node-36311.nodehost.ru sshd[522673]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.28.55.121
2026-10-05T21:24:30.785121+03:00 node-36311.nodehost.ru sshd[522673]: Failed password for invalid user core from 2.28.55.121 port 58950 ssh2
2026-10-05T21:31:51.810137+03:00 node-36311.nodehost.ru sshd[528862]: Invalid user oracle from 2.28.55.121 port 39358
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2026-10-05T13:21:41.132998-04:00 sputnik3 sshd[4191295]: Invalid user teste from 2.28.55.121 port 33 ...
show more2026-10-05T13:21:41.132998-04:00 sputnik3 sshd[4191295]: Invalid user teste from 2.28.55.121 port 33108
2026-10-05T13:28:44.881239-04:00 sputnik3 sshd[4192120]: Invalid user steam from 2.28.55.121 port 60740
2026-10-05T13:29:59.262513-04:00 sputnik3 sshd[4192123]: Invalid user hp from 2.28.55.121 port 51278
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2026-10-05T18:12:05.965165+02:00 vmi768479 sshd[3357909]: Disconnected from authenticating user root ...
show more2026-10-05T18:12:05.965165+02:00 vmi768479 sshd[3357909]: Disconnected from authenticating user root 2.28.55.121 port 56362 [preauth]
2026-10-05T18:20:26.391902+02:00 vmi768479 sshd[3357940]: Disconnected from authenticating user root 2.28.55.121 port 36342 [preauth]
2026-10-05T18:21:50.365042+02:00 vmi768479 sshd[3357952]: Invalid user es from 2.28.55.121 port 42406
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2026-10-05T18:10:16.326993+02:00 coelacanth sshd-session[2400632]: Invalid user testuser from 2.28.5 ...
show more2026-10-05T18:10:16.326993+02:00 coelacanth sshd-session[2400632]: Invalid user testuser from 2.28.55.121 port 49860
2026-10-05T18:10:16.330640+02:00 coelacanth sshd-session[2400632]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.28.55.121
2026-10-05T18:10:18.061829+02:00 coelacanth sshd-session[2400632]: Failed password for invalid user testuser from 2.28.55.121 port 49860 ssh2
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FL Oct 5 18:07:05 server01 sshd[3954429]: Failed password for invalid user external from 2.28.55.12 ...
show moreFL Oct 5 18:07:05 server01 sshd[3954429]: Failed password for invalid user external from 2.28.55.121 port 43836 ssh2
Oct 5 18:08:23 server01 sshd[3954474]: Invalid user vincent from 2.28.55.121 port 43488
Oct 5 18:08:23 server01 sshd[3954474]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.28.55.121
Oct 5 18:08:25 server01 sshd[3954474]: Failed password for invalid user vincent from 2.28.55.121 port 43488 ssh2
Oct 5 18:09:38 server01 sshd[3954743]: Invalid user mike from 2.28.55.121 port 48676
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[mm-111] SSH brute-force on tcp/22022: 4 event(s) from 2.28.55.121; fail2ban auto-ban. Log sample: 2 ...
show more[mm-111] SSH brute-force on tcp/22022: 4 event(s) from 2.28.55.121; fail2ban auto-ban. Log sample: 2026-10-05T16:00:19.080227 twins-stk-fresh-milan sshd[2449470]: Invalid user deploy from 2.28.55.121 port 41972
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FL Oct 5 17:49:19 server01 sshd[3953002]: Failed password for root from 2.28.55.121 port 56778 ssh2 ...
show moreFL Oct 5 17:49:19 server01 sshd[3953002]: Failed password for root from 2.28.55.121 port 56778 ssh2
Oct 5 17:50:42 server01 sshd[3953143]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.28.55.121 user=root
Oct 5 17:50:43 server01 sshd[3953143]: Failed password for root from 2.28.55.121 port 52842 ssh2
Oct 5 17:51:59 server01 sshd[3953171]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.28.55.121 user=root
Oct 5 17:52:01 server01 sshd[3953171]: Failed password for root from 2.28.55.121 port 50862 ssh2
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2026-10-05T12:47:48.082104 arp-hbs-app sshd[667139]: Failed password for root from 2.28.55.121 port ...
show more2026-10-05T12:47:48.082104 arp-hbs-app sshd[667139]: Failed password for root from 2.28.55.121 port 38968 ssh2
2026-10-05T12:49:05.538319 arp-hbs-app sshd[677801]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.28.55.121 user=root
2026-10-05T12:49:08.066419 arp-hbs-app sshd[677801]: Failed password for root from 2.28.55.121 port 38024 ssh2
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