Recent reportsWe have received reports of abusive activity from this IP address within the last week. It is
potentially still actively engaged in abusive activities.
2026-11-10T01:27:45.541701+00:00 UnitedStates1 sshd-session[565716]: Connection closed by 103.51.204.2 port 59855 [preauth]
2026-11-10T01:27:47.658738+00:00 UnitedStates1 sshd-session[565886]: Unable to negotiate with 103.51.204.2 port 59929: no matc ...
show more2026-11-10T01:27:45.541701+00:00 UnitedStates1 sshd-session[565716]: Connection closed by 103.51.204.2 port 59855 [preauth]
2026-11-10T01:27:47.658738+00:00 UnitedStates1 sshd-session[565886]: Unable to negotiate with 103.51.204.2 port 59929: no matching cipher found. Their offer: aes128-ctr [preauth]
...
show less
Blocked by CrowdSec. Scenario: crowdsecurity/ssh-bf
Brute-Force
SSH
Anonymous
2026-10-31T23:04:44.690611-04:00 serysea sshd[1141101]: Invalid user admin from 103.51.204.2 port 55201
2026-10-31T23:04:47.907224-04:00 serysea sshd[1141105]: Invalid user admin from 103.51.204.2 port 55238
2026-10-31T23:04:49.510313-04:00 serysea s ...
show more2026-10-31T23:04:44.690611-04:00 serysea sshd[1141101]: Invalid user admin from 103.51.204.2 port 55201
2026-10-31T23:04:47.907224-04:00 serysea sshd[1141105]: Invalid user admin from 103.51.204.2 port 55238
2026-10-31T23:04:49.510313-04:00 serysea sshd[1141107]: Invalid user user from 103.51.204.2 port 55256
...
show less
2026-09-22T15:15:46.244788+10:00 spydi sshd[365018]: Invalid user admin from 103.51.204.2 port 50525
2026-09-22T15:15:46.733205+10:00 spydi sshd[365022]: Invalid user admin from 103.51.204.2 port 50531
2026-09-22T15:15:46.983010+10:00 spydi sshd[3650 ...
show more2026-09-22T15:15:46.244788+10:00 spydi sshd[365018]: Invalid user admin from 103.51.204.2 port 50525
2026-09-22T15:15:46.733205+10:00 spydi sshd[365022]: Invalid user admin from 103.51.204.2 port 50531
2026-09-22T15:15:46.983010+10:00 spydi sshd[365042]: Invalid user user from 103.51.204.2 port 50535
...
show less
Brute-Force
SSH
Anonymous
2026-09-04T12:05:10.646789-04:00 seraldjr sshd[1310785]: Invalid user admin from 103.51.204.2 port 50833
2026-09-04T12:05:13.977353-04:00 seraldjr sshd[1310789]: Invalid user admin from 103.51.204.2 port 50859
2026-09-04T12:05:15.630034-04:00 seraldj ...
show more2026-09-04T12:05:10.646789-04:00 seraldjr sshd[1310785]: Invalid user admin from 103.51.204.2 port 50833
2026-09-04T12:05:13.977353-04:00 seraldjr sshd[1310789]: Invalid user admin from 103.51.204.2 port 50859
2026-09-04T12:05:15.630034-04:00 seraldjr sshd[1310791]: Invalid user user from 103.51.204.2 port 50875
...
show less
2026-08-26T14:17:46.488357-04:00 cornflower-ginger sshd[399982]: Invalid user admin from 103.51.204.2 port 51877
2026-08-26T14:17:50.410424-04:00 cornflower-ginger sshd[399986]: Invalid user admin from 103.51.204.2 port 51900
2026-08-26T14:17:52.4315 ...
show more2026-08-26T14:17:46.488357-04:00 cornflower-ginger sshd[399982]: Invalid user admin from 103.51.204.2 port 51877
2026-08-26T14:17:50.410424-04:00 cornflower-ginger sshd[399986]: Invalid user admin from 103.51.204.2 port 51900
2026-08-26T14:17:52.431569-04:00 cornflower-ginger sshd[399988]: Invalid user user from 103.51.204.2 port 51913
2026-08-26T14:17:54.345848-04:00 cornflower-ginger sshd[399990]: Invalid user user2 from 103.51.204.2 port 51925
2026-08-26T14:17:58.250197-04:00 cornflower-ginger sshd[399994]: Invalid user admin from 103.51.204.2 port 51948
2026-08-26T14:18:00.221016-04:00 cornflower-ginger sshd[399996]: Invalid user user from 103.51.204.2 port 51960
...
show less
Jun 23 09:04:41 elasticsearch sshd[1781047]: Invalid user admin from 103.51.204.2 port 63127
Jun 23 09:04:44 elasticsearch sshd[1781051]: Invalid user admin from 103.51.204.2 port 63171
Jun 23 09:04:46 elasticsearch sshd[1781053]: Invalid user user f ...
show moreJun 23 09:04:41 elasticsearch sshd[1781047]: Invalid user admin from 103.51.204.2 port 63127
Jun 23 09:04:44 elasticsearch sshd[1781051]: Invalid user admin from 103.51.204.2 port 63171
Jun 23 09:04:46 elasticsearch sshd[1781053]: Invalid user user from 103.51.204.2 port 63192
...
show less