This IP address has been reported a total of
124
times from
113 distinct
sources.
34.140.54.51 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.
2026-06-19T11:36:52.059138+02:00 gw-de16-01.guestgw.net sshd[868001]: Connection closed by 34.140.54 ...
show more2026-06-19T11:36:52.059138+02:00 gw-de16-01.guestgw.net sshd[868001]: Connection closed by 34.140.54.51 port 2200
2026-06-19T11:36:53.092293+02:00 gw-de16-01.guestgw.net sshd[868003]: Invalid user bhiri from 34.140.54.51 port 2204
2026-06-19T11:36:53.224228+02:00 gw-de16-01.guestgw.net sshd[868003]: Connection closed by invalid user bhiri 34.140.54.51 port 2204 [preauth]
2026-06-19T11:36:53.993083+02:00 gw-de16-01.guestgw.net sshd[868010]: Unable to negotiate with 34.140.54.51 port 32060: no matching host key type found. Their offer: ssh-dss [preauth]
2026-06-19T11:36:54.047078+02:00 gw-de16-01.guestgw.net sshd[868011]: Unable to negotiate with 34.140.54.51 port 32068: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1 [preauth]
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Jun 19 10:34:00 sshd-session[4270]: Unable to negotiate with 34.140.54.51 port 50540: no matching k ...
show moreJun 19 10:34:00 sshd-session[4270]: Unable to negotiate with 34.140.54.51 port 50540: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1 [preauth]
Jun 19 10:34:12 sshd-session[4276]: Invalid user efrjr from 34.140.54.51 port 53282
...
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2026-06-19T08:28:48.012421+00:00 ks6.hofud.com sshd[1074849]: Unable to negotiate with 34.140.54.51 ...
show more2026-06-19T08:28:48.012421+00:00 ks6.hofud.com sshd[1074849]: Unable to negotiate with 34.140.54.51 port 2376: no matching host key type found. Their offer: ssh-dss [preauth]
2026-06-19T08:28:48.362381+00:00 ks6.hofud.com sshd[1074851]: Unable to negotiate with 34.140.54.51 port 2392: no matching host key type found. Their offer: ssh-rsa [preauth]
2026-06-19T08:28:48.942574+00:00 ks6.hofud.com sshd[1074853]: Connection closed by 34.140.54.51 port 2396 [preauth]
2026-06-19T08:28:49.232651+00:00 ks6.hofud.com sshd[1074855]: Unable to negotiate with 34.140.54.51 port 2402: no matching host key type found. Their offer: ecdsa-sha2-nistp384 [preauth]
2026-06-19T08:28:49.584607+00:00 ks6.hofud.com sshd[1074857]: Unable to negotiate with 34.140.54.51 port 2404: no matching host key type found. Their offer: ecdsa-sha2-nistp521 [preauth]
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Jun 19 10:01:15 debian sshd[3654170]: pam_unix(sshd:auth): authentication failure; logname= uid=0 eu ...
show moreJun 19 10:01:15 debian sshd[3654170]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.140.54.51
Jun 19 10:01:17 debian sshd[3654170]: Failed password for in
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2026-06-19T15:58:10.332751+08:00 [Host] sshd[1065897]: pam_unix(sshd:auth): authentication failure; ...
show more2026-06-19T15:58:10.332751+08:00 [Host] sshd[1065897]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.140.54.51
2026-06-19T15:58:11.695269+08:00 [Host] sshd[1065897]: Failed password for invalid user admin from 34.140.54.51 port 43938 ssh2
2026-06-19T15:58:12.201370+08:00 [Host] sshd[1065897]: Connection closed by invalid user admin 34.140.54.51 port 43938 [preauth]
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SSH Brute Force (3 attempts). Evidence: sshd-session[556441]: Unable to negotiate with 34.140.54.51 ...
show moreSSH Brute Force (3 attempts). Evidence: sshd-session[556441]: Unable to negotiate with 34.140.54.51 port 21510: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group14-sha256,diffie-hellman-group16-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group-exchange-sha256 [preauth];sshd-session[556443]: Unable to negotiate with 34.140.54.51 port 21524: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group14-sha256,diffie-hellman-group16-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group-exchange-sha256 [preauth]
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