This IP address has been reported a total of
61
times from
51 distinct
sources.
42.51.44.137 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.
2026-07-07T22:59:35.725671-07:00 maoyue-yyz1 sshd-session[4194021]: Connection closed by authenticat ...
show more2026-07-07T22:59:35.725671-07:00 maoyue-yyz1 sshd-session[4194021]: Connection closed by authenticating user root 42.51.44.137 port 34176 [preauth]
2026-07-07T22:59:37.443212-07:00 maoyue-yyz1 sshd-session[4194023]: Connection closed by authenticating user root 42.51.44.137 port 50754 [preauth]
2026-07-07T23:02:03.541653-07:00 maoyue-yyz1 sshd-session[355]: Connection closed by authenticating user root 42.51.44.137 port 52534 [preauth]
2026-07-07T23:02:04.685305-07:00 maoyue-yyz1 sshd-session[479]: Connection closed by authenticating user root 42.51.44.137 port 58668 [preauth]
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2026-07-08T04:10:11.844456+00:00 ubuntu sshd[550498]: Failed password for root from 42.51.44.137 por ...
show more2026-07-08T04:10:11.844456+00:00 ubuntu sshd[550498]: Failed password for root from 42.51.44.137 port 38584 ssh2
2026-07-08T04:10:17.838307+00:00 ubuntu sshd[550500]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.44.137 user=root
2026-07-08T04:10:19.558364+00:00 ubuntu sshd[550500]: Failed password for root from 42.51.44.137 port 34818 ssh2
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Brute-Force
SSH
Anonymous
$f2bV_matches
Brute-Force
SSH
Anonymous
2026-07-08T02:43:30.045783+02:00 server4 sshd[101066]: refused connect from 42.51.44.137 (42.51.44.1 ...
show more2026-07-08T02:43:30.045783+02:00 server4 sshd[101066]: refused connect from 42.51.44.137 (42.51.44.137)
2026-07-08T02:43:40.718826+02:00 server4 sshd[101067]: refused connect from 42.51.44.137 (42.51.44.137)
2026-07-08T02:43:46.157941+02:00 server4 sshd[101068]: refused connect from 42.51.44.137 (42.51.44.137)
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Jul 8 08:38:48 oracle sshd[3081594]: Invalid user user from 42.51.44.137 port 41766
Jul 8 08:38:53 ...
show moreJul 8 08:38:48 oracle sshd[3081594]: Invalid user user from 42.51.44.137 port 41766
Jul 8 08:38:53 oracle sshd[3081635]: Invalid user user from 42.51.44.137 port 41778
Jul 8 08:38:58 oracle sshd[3081797]: Invalid user user from 42.51.44.137 port 60900
Jul 8 08:39:06 oracle sshd[3081881]: Invalid user user from 42.51.44.137 port 60914
Jul 8 08:39:11 oracle sshd[3082092]: Invalid user user from 42.51.44.137 port 47836
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Last 24 Hours suspicious: (DPT=445|DPT=3389|DPT=22|DPT=3306|DPT=8080|DPT=23|DPT=5900|DPT=1433)
Port Scan
Anonymous
2026-07-07T18:40:58.052382-04:00 seraldrockwest sshd[3580191]: Invalid user user from 42.51.44.137 p ...
show more2026-07-07T18:40:58.052382-04:00 seraldrockwest sshd[3580191]: Invalid user user from 42.51.44.137 port 51070
2026-07-07T18:40:59.827469-04:00 seraldrockwest sshd[3580193]: Invalid user user from 42.51.44.137 port 51084
2026-07-07T18:41:01.771060-04:00 seraldrockwest sshd[3580195]: Invalid user user from 42.51.44.137 port 51098
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2026-07-07T20:38:24.855178+00:00 edge-con-bom01.int.pdx.net.uk sshd[1469756]: Failed password for ro ...
show more2026-07-07T20:38:24.855178+00:00 edge-con-bom01.int.pdx.net.uk sshd[1469756]: Failed password for root from 42.51.44.137 port 51212 ssh2
2026-07-07T20:40:29.860611+00:00 edge-con-bom01.int.pdx.net.uk sshd[1469901]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.44.137 user=root
2026-07-07T20:40:31.599541+00:00 edge-con-bom01.int.pdx.net.uk sshd[1469901]: Failed password for root from 42.51.44.137 port 60240 ssh2
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2026-07-07T20:46:00.498011+02:00 orome sshd-session[1973149]: Invalid user user from 42.51.44.137 po ...
show more2026-07-07T20:46:00.498011+02:00 orome sshd-session[1973149]: Invalid user user from 42.51.44.137 port 54654
2026-07-07T20:46:06.508069+02:00 orome sshd-session[1973152]: Invalid user user from 42.51.44.137 port 54668
2026-07-07T20:46:12.294777+02:00 orome sshd-session[1973307]: Invalid user user from 42.51.44.137 port 59052
2026-07-07T20:46:21.249107+02:00 orome sshd-session[1973329]: Invalid user user from 42.51.44.137 port 59064
2026-07-07T20:46:27.301327+02:00 orome sshd-session[1973332]: Invalid user user from 42.51.44.137 port 56480
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Jul 7 18:36:36 raspberrypi sshd[15932]: Invalid user user from 42.51.44.137 port 59522
Jul 7 18:40 ...
show moreJul 7 18:36:36 raspberrypi sshd[15932]: Invalid user user from 42.51.44.137 port 59522
Jul 7 18:40:40 raspberrypi sshd[16038]: Invalid user user from 42.51.44.137 port 52906
Jul 7 18:43:56 raspberrypi sshd[16088]: Invalid user user from 42.51.44.137 port 43012
Jul 7 18:43:58 raspberrypi sshd[16127]: Invalid user user from 42.51.44.137 port 59896
Jul 7 18:44:01 raspberrypi sshd[16129]: Invalid user user from 42.51.44.137 port 59912
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2026-07-07T20:10:14.781329+02:00 orome sshd-session[1966415]: Invalid user user from 42.51.44.137 po ...
show more2026-07-07T20:10:14.781329+02:00 orome sshd-session[1966415]: Invalid user user from 42.51.44.137 port 40222
2026-07-07T20:10:21.653106+02:00 orome sshd-session[1966418]: Invalid user user from 42.51.44.137 port 43690
2026-07-07T20:10:24.186053+02:00 orome sshd-session[1966420]: Invalid user user from 42.51.44.137 port 43706
2026-07-07T20:10:28.629303+02:00 orome sshd-session[1966422]: Invalid user user from 42.51.44.137 port 33286
2026-07-07T20:10:31.203286+02:00 orome sshd-session[1966424]: Invalid user user from 42.51.44.137 port 33298
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Brute-Force
SSH
Showing 1 to
15
of 61 reports
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