This IP address has been reported a total of
63
times from
48 distinct
sources.
91.242.236.51 was first reported on
, and the most recent report was
.
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.
Reporter
IoA Timestamp (UTC)
Comment
Categories
Anonymous
Jun 21 04:15:27 mail sshd-session[3207352]: Invalid user marcus from 91.242.236.51 port 46024
Jun 21 ...
show moreJun 21 04:15:27 mail sshd-session[3207352]: Invalid user marcus from 91.242.236.51 port 46024
Jun 21 04:19:25 mail sshd-session[3207467]: Invalid user hjseo from 91.242.236.51 port 36148
Jun 21 04:23:24 mail sshd-session[3207693]: Invalid user frappe from 91.242.236.51 port 46502
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2026-06-20T22:12:31.526110-04:00 debian sshd[319241]: pam_unix(sshd:auth): authentication failure; l ...
show more2026-06-20T22:12:31.526110-04:00 debian sshd[319241]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.242.236.51 user=root
2026-06-20T22:12:33.216183-04:00 debian sshd[319241]: Failed password for root from 91.242.236.51 port 60648 ssh2
2026-06-20T22:14:36.225647-04:00 debian sshd[320230]: Invalid user marcus from 91.242.236.51 port 59410
2026-06-20T22:14:36.229296-04:00 debian sshd[320230]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.242.236.51
2026-06-20T22:14:38.744900-04:00 debian sshd[320230]: Failed password for invalid user marcus from 91.242.236.51 port 59410 ssh2
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Jun 21 04:04:46 v22016083778036931 sshd[2226771]: Failed password for invalid user postgres from 91. ...
show moreJun 21 04:04:46 v22016083778036931 sshd[2226771]: Failed password for invalid user postgres from 91.242.236.51 port 57082 ssh2
Jun 21 04:11:03 v22016083778036931 sshd[2230010]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.242.236.51 user=root
Jun 21 04:11:05 v22016083778036931 sshd[2230010]: Failed password for root from 91.242.236.51 port 55546 ssh2
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2026-06-21T01:51:53.116371+01:00 ozo-b456b sshd[4015877]: Failed password for invalid user anna from ...
show more2026-06-21T01:51:53.116371+01:00 ozo-b456b sshd[4015877]: Failed password for invalid user anna from 91.242.236.51 port 44254 ssh2
2026-06-21T01:54:01.487561+01:00 ozo-b456b sshd[4016162]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.242.236.51 user=root
2026-06-21T01:54:03.910687+01:00 ozo-b456b sshd[4016162]: Failed password for root from 91.242.236.51 port 35652 ssh2
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2026-06-21T01:48:40.384015+01:00 vm21 sshd-session[1141998]: Invalid user webuser from 91.242.236.51 ...
show more2026-06-21T01:48:40.384015+01:00 vm21 sshd-session[1141998]: Invalid user webuser from 91.242.236.51 port 47534
2026-06-21T01:53:12.680556+01:00 vm21 sshd-session[1142022]: Invalid user anna from 91.242.236.51 port 60904
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Jun 21 07:24:21 mocha sshd[3974724]: Invalid user info from 91.242.236.51 port 37748
Jun 21 07:24:21 ...
show moreJun 21 07:24:21 mocha sshd[3974724]: Invalid user info from 91.242.236.51 port 37748
Jun 21 07:24:21 mocha sshd[3974724]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.242.236.51
Jun 21 07:24:23 mocha sshd[3974724]: Failed password for invalid user info from 91.242.236.51 port 37748 ssh2
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2026-06-20T23:23:29.956141+00:00 ubuntu sshd[353790]: Invalid user info from 91.242.236.51 port 3414 ...
show more2026-06-20T23:23:29.956141+00:00 ubuntu sshd[353790]: Invalid user info from 91.242.236.51 port 34148
2026-06-20T23:23:29.958789+00:00 ubuntu sshd[353790]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.242.236.51
2026-06-20T23:23:32.663515+00:00 ubuntu sshd[353790]: Failed password for invalid user info from 91.242.236.51 port 34148 ssh2
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Auto-report via Fail2Ban aggregation. IP observed in jails: abuseipdb.
Events: 1. First: 2026-06-21T ...
show moreAuto-report via Fail2Ban aggregation. IP observed in jails: abuseipdb.
Events: 1. First: 2026-06-21T01:07:01+0200. Last: 2026-06-21T01:07:01+0200.
Samples:
- 2026-06-21 00:37:36,248 fail2ban.actions [3599610]: NOTICE [abuseipdb] Ban 91.242.236.51
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