This IP address has been reported a total of
54
times from
45 distinct
sources.
151.252.135.40 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.
2026-08-27T18:57:09.944328+00:00 unifi-deb sshd[1801431]: Connection from 151.252.135.40 port 58828 ...
show more2026-08-27T18:57:09.944328+00:00 unifi-deb sshd[1801431]: Connection from 151.252.135.40 port 58828 on 216.238.71.245 port 22 rdomain ""
2026-08-27T18:57:12.303229+00:00 unifi-deb sshd[1801431]: error: maximum authentication attempts exceeded for root from 151.252.135.40 port 58828 ssh2 [preauth]
2026-08-27T18:57:14.484723+00:00 unifi-deb sshd[1801435]: Connection from 151.252.135.40 port 59656 on 216.238.71.245 port 22 rdomain ""
2026-08-27T18:57:16.395702+00:00 unifi-deb sshd[1801435]: Invalid user admin from 151.252.135.40 port 59656
2026-08-27T18:57:17.522747+00:00 unifi-deb sshd[1801435]: error: maximum authentication attempts exceeded for invalid user admin from 151.252.135.40 port 59656 ssh2 [preauth]
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2026-08-27T18:53:56.096860+00:00 es1 sshd-session[517292]: Failed password for root from 151.252.135 ...
show more2026-08-27T18:53:56.096860+00:00 es1 sshd-session[517292]: Failed password for root from 151.252.135.40 port 60924 ssh2
2026-08-27T18:53:59.093891+00:00 es1 sshd-session[517292]: Failed password for root from 151.252.135.40 port 60924 ssh2
2026-08-27T18:54:02.434412+00:00 es1 sshd-session[517292]: Failed password for root from 151.252.135.40 port 60924 ssh2
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Aug 27 11:41:59 koppa sshd[190383]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid ...
show moreAug 27 11:41:59 koppa sshd[190383]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.252.135.40 user=root
Aug 27 11:42:01 koppa sshd[190383]: Failed password for invalid user root from 151.252.135.40 port 49638 ssh2
Aug 27 11:42:19 koppa sshd[190383]: error: maximum authentication attempts exceeded for invalid user root from 151.252.135.40 port 49638 ssh2 [preauth]
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Aug 27 19:11:57 mail1 sshd[2564888]: Failed password for root from 151.252.135.40 port 44994 ssh2
Au ...
show moreAug 27 19:11:57 mail1 sshd[2564888]: Failed password for root from 151.252.135.40 port 44994 ssh2
Aug 27 19:11:59 mail1 sshd[2564888]: Failed password for root from 151.252.135.40 port 44994 ssh2
Aug 27 19:12:04 mail1 sshd[2564888]: Failed password for root from 151.252.135.40 port 44994 ssh2
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Brute-Force
SSH
Anonymous
Aug 27 18:45:13 srv2 sshd[3159463]: error: maximum authentication attempts exceeded for root from 15 ...
show moreAug 27 18:45:13 srv2 sshd[3159463]: error: maximum authentication attempts exceeded for root from 151.252.135.40 port 35586 ssh2 [preauth]
Aug 27 18:45:14 srv2 sshd[3159465]: error: maximum authentication attempts exceeded for root from 151.252.135.40 port 35732 ssh2 [preauth]
Aug 27 18:45:15 srv2 sshd[3159467]: error: maximum authentication attempts exceeded for root from 151.252.135.40 port 35956 ssh2 [preauth]
Aug 27 18:45:16 srv2 sshd[3159471]: Invalid user admin from 151.252.135.40 port 36276
Aug 27 18:45:17 srv2 sshd[3159471]: error: maximum authentication attempts exceeded for invalid user admin from 151.252.135.40 port 36276 ssh2 [preauth]
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Aug 27 17:25:03 qin sshd[1445577]: Failed password for [redacted] from 151.252.135.40 port 45050 ssh ...
show moreAug 27 17:25:03 qin sshd[1445577]: Failed password for [redacted] from 151.252.135.40 port 45050 ssh2
Aug 27 17:25:07 qin sshd[1445577]: Failed password for [redacted] from 151.252.135.40 port 45050 ssh2
Aug 27 17:25:08 qin sshd[1445577]: error: maximum authentication attempts exceeded for [redacted] from 151.252.135.40 port 45050 ssh2 [preauth]
Aug 27 17:25:09 qin sshd[1445697]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.252.135.40 user=[redacted]
Aug 27 17:25:12 qin sshd[1445697]: Failed password for [redacted] from 151.252.135.40 port 48558 ssh2
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Aug 27 17:58:57 www4 sshd\[45583\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 e ...
show moreAug 27 17:58:57 www4 sshd\[45583\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.252.135.40 user=root
Aug 27 17:58:59 www4 sshd\[45583\]: Failed password for root from 151.252.135.40 port 58306 ssh2
Aug 27 17:59:02 www4 sshd\[45583\]: Failed password for root from 151.252.135.40 port 58306 ssh2
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