This IP address has been reported a total of
121
times from
91 distinct
sources.
213.21.253.255 was first reported on
, and the most recent report was
.
Old Reports:
The most recent abuse report for this IP address is from
. It is possible that this IP is no longer involved in abusive activities.
Reporter
IoA Timestamp (UTC)
Comment
Categories
Anonymous
Repeated SSH brute force and user enumeration attempts against a secured web server. Multiple failed ...
show moreRepeated SSH brute force and user enumeration attempts against a secured web server. Multiple failed authentication attempts from this IP across an extended period.
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Jun 7 05:22:12 wh02 sshd[2801361]: Invalid user myappuser from 213.21.253.255 port 33928
Jun 7 05: ...
show moreJun 7 05:22:12 wh02 sshd[2801361]: Invalid user myappuser from 213.21.253.255 port 33928
Jun 7 05:22:12 wh02 sshd[2801361]: Received disconnect from 213.21.253.255 port 33928:11: Bye Bye [preauth]
Jun 7 05:22:12 wh02 sshd[2801361]: Disconnected from invalid user myappuser 213.21.253.255 port 33928 [preauth]
Jun 7 05:33:40 wh02 sshd[2818380]: Invalid user zbx from 213.21.253.255 port 35562
Jun 7 05:33:40 wh02 sshd[2818380]: Received disconnect from 213.21.253.255 port 35562:11: Bye Bye [preauth]
Jun 7 05:33:40 wh02 sshd[2818380]: Disconnected from invalid user zbx 213.21.253.255 port 35562 [preauth]
Jun 7 05:35:21 wh02 sshd[2819806]: Received disconnect from 213.21.253.255 port 36474:11: Bye Bye [preauth]
Jun 7 05:35:21 wh02 sshd[2819806]: Disconnected from authenticating user root 213.21.253.255 port 36474 [preauth]
Jun 7 05:37:04 wh02 sshd[2820583]: Invalid user newuser from 213.21.253.255 port 32830
Jun 7 05:37:04 wh02 sshd[2820583]: Received disconnect from 213.21.253.255
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2026-06-06T21:28:57.724404[redacted] sshd[1418475]: Invalid user myappuser from 213.21.253.255 port ...
show more2026-06-06T21:28:57.724404[redacted] sshd[1418475]: Invalid user myappuser from 213.21.253.255 port 42362
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2026-06-07T05:20:14.181466+02:00 euve sshd-session[19791]: pam_unix(sshd:auth): authentication failu ...
show more2026-06-07T05:20:14.181466+02:00 euve sshd-session[19791]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.21.253.255
2026-06-07T05:20:16.689222+02:00 euve sshd-session[19791]: Failed password for invalid user myappuser from 213.21.253.255 port 58782 ssh2
2026-06-07T05:20:17.915939+02:00 euve sshd-session[19791]: Disconnected from invalid user myappuser 213.21.253.255 port 58782 [preauth]
...
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SSH abuse or brute-force attack detected by Fail2Ban in ssh jail
Brute-Force
SSH
Anonymous
Jun 7 04:48:46 srv2 sshd[922593]: Invalid user wzy from 213.21.253.255 port 40880
Jun 7 04:50:33 s ...
show moreJun 7 04:48:46 srv2 sshd[922593]: Invalid user wzy from 213.21.253.255 port 40880
Jun 7 04:50:33 srv2 sshd[922768]: Invalid user kodi from 213.21.253.255 port 33468
Jun 7 04:54:33 srv2 sshd[922982]: Invalid user jose from 213.21.253.255 port 54398
Jun 7 04:56:35 srv2 sshd[923152]: Invalid user mongo from 213.21.253.255 port 56928
Jun 7 04:58:37 srv2 sshd[923231]: Invalid user shashank from 213.21.253.255 port 58368
...
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2026-06-07T02:44:45.133655+00:00 aws sshd[262758]: Failed password for invalid user root from 213.21 ...
show more2026-06-07T02:44:45.133655+00:00 aws sshd[262758]: Failed password for invalid user root from 213.21.253.255 port 50756 ssh2
2026-06-07T02:49:34.682924+00:00 aws sshd[262850]: Invalid user wzy from 213.21.253.255 port 40612
2026-06-07T02:49:34.688675+00:00 aws sshd[262850]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.21.253.255
2026-06-07T02:49:36.545662+00:00 aws sshd[262850]: Failed password for invalid user wzy from 213.21.253.255 port 40612 ssh2
...
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2026-06-07T02:49:21.137143+00:00 prod-westeu sshd[731503]: Invalid user wzy from 213.21.253.255 port ...
show more2026-06-07T02:49:21.137143+00:00 prod-westeu sshd[731503]: Invalid user wzy from 213.21.253.255 port 52434
2026-06-07T02:49:21.140589+00:00 prod-westeu sshd[731503]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.21.253.255
2026-06-07T02:49:23.214633+00:00 prod-westeu sshd[731503]: Failed password for invalid user wzy from 213.21.253.255 port 52434 ssh2
...
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Brute-Force
SSH
Anonymous
2026-06-07T04:23:08.284856 mail2.akcurate.de sshd-session[50022]: Invalid user dev from 213.21.253.2 ...
show more2026-06-07T04:23:08.284856 mail2.akcurate.de sshd-session[50022]: Invalid user dev from 213.21.253.255 port 35040
2026-06-07T04:23:08.326698 mail2.akcurate.de sshd-session[50022]: Disconnected from invalid user dev 213.21.253.255 port 35040 [preauth]
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2026-06-07T01:40:32.070264+00:00 md sshd-session[876794]: Failed password for invalid user prashant ...
show more2026-06-07T01:40:32.070264+00:00 md sshd-session[876794]: Failed password for invalid user prashant from 213.21.253.255 port 39860 ssh2
2026-06-07T01:42:32.353414+00:00 md sshd-session[876805]: Invalid user orlando from 213.21.253.255 port 33776
2026-06-07T01:42:32.359231+00:00 md sshd-session[876805]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.21.253.255
2026-06-07T01:42:33.949225+00:00 md sshd-session[876805]: Failed password for invalid user orlando from 213.21.253.255 port 33776 ssh2
2026-06-07T01:44:30.321728+00:00 md sshd-session[876820]: Invalid user info from 213.21.253.255 port 57816
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Brute-Force
SSH
Showing 1 to
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