This IP address has been reported a total of
58
times from
48 distinct
sources.
121.55.213.237 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 11
reports;
United States of America
with 7
reports;
United Kingdom of Great Britain and Northern Ireland
with 4
reports.
The most common categories in these recent reports were:
Brute-Force
44
times;
SSH
34
times;
Hacking
15
times;
Web App Attack
11
times;
Port Scan
5
times;
Other
4
times.
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.
Honeypot trap triggered: unsolicited TCP connection(s) to unused port(s) 2222 on a host running no s ...
show moreHoneypot trap triggered: unsolicited TCP connection(s) to unused port(s) 2222 on a host running no such service. There is no legitimate reason to connect to these ports.
Observed 1 connection(s) from 2026-10-04T22:43:40Z to 2026-10-04T22:43:40Z UTC.
2026-10-04T22:43:40Z tcp/2222 data: SSH-2.0-OpenSSH_8.9
Connection was blocked automatically at the firewall. Reported by an automated honeypot.
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Oct 5 00:21:37 obsidian sshd[2001594]: error: PAM: Authentication failure for root from 121.55.213. ...
show moreOct 5 00:21:37 obsidian sshd[2001594]: error: PAM: Authentication failure for root from 121.55.213.237
Oct 5 00:26:12 obsidian sshd[2007048]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.55.213.237 user=root
Oct 5 00:26:13 obsidian sshd[2007048]: Failed password for root from 121.55.213.237 port 43730 ssh2
...
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NetWatch sensor network: The IP 121.55.213.237 executed unauthorized SSH login attempts.
Brute-Force
SSH
Anonymous
Oct 5 01:37:25 con01 sshd[3350934]: Failed password for root from 121.55.213.237 port 42668 ssh2
Oc ...
show moreOct 5 01:37:25 con01 sshd[3350934]: Failed password for root from 121.55.213.237 port 42668 ssh2
Oct 5 01:58:39 con01 sshd[3393117]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.55.213.237 user=root
Oct 5 01:58:41 con01 sshd[3393117]: Failed password for root from 121.55.213.237 port 53762 ssh2
Oct 5 01:58:42 con01 sshd[3393272]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.55.213.237 user=root
Oct 5 01:58:44 con01 sshd[3393272]: Failed password for root from 121.55.213.237 port 55650 ssh2
...
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Oct 4 23:14:39 h3buntu sshd[4128306]: Failed password for root from 121.55.213.237 port 34076 ssh2
...
show moreOct 4 23:14:39 h3buntu sshd[4128306]: Failed password for root from 121.55.213.237 port 34076 ssh2
Oct 5 01:55:06 h3buntu sshd[4180026]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.55.213.237 user=root
Oct 5 01:55:08 h3buntu sshd[4180026]: Failed password for root from 121.55.213.237 port 58564 ssh2
...
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Brute-Force
SSH
Hacking
Anonymous
2026-10-04T23:53:09.800809+00:00 xmr sshd[6498]: pam_unix(sshd:auth): authentication failure; lognam ...
show more2026-10-04T23:53:09.800809+00:00 xmr sshd[6498]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.55.213.237 user=root
2026-10-04T23:53:11.341984+00:00 xmr sshd[6498]: Failed password for root from 121.55.213.237 port 59236 ssh2
...
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2026-10-05T02:25:35.571645+03:30 digitalogic sshd-session[3061908]: Connection closed by authenticat ...
show more2026-10-05T02:25:35.571645+03:30 digitalogic sshd-session[3061908]: Connection closed by authenticating user root 121.55.213.237 port 55948 [preauth]
2026-10-05T03:20:49.061834+03:30 digitalogic sshd-session[3284801]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.55.213.237 user=root
2026-10-05T03:20:50.478574+03:30 digitalogic sshd-session[3284801]: Failed password for root from 121.55.213.237 port 55766 ssh2
...
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2026-10-04T23:42:29.363617+00:00 instance-20241105-1951 sshd[3174593]: Connection closed by authenti ...
show more2026-10-04T23:42:29.363617+00:00 instance-20241105-1951 sshd[3174593]: Connection closed by authenticating user root 121.55.213.237 port 36918 [preauth]
...
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