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IP Abuse Reports for 159.203.81.53:
This IP address has been reported a total of
21
times from
18 distinct
sources.
159.203.81.53 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 1
report;
Finland
with 1
report;
Hong Kong
with 1
report.
The most common categories in these recent reports were:
Port Scan
3
times;
Hacking
1
time.
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.
Port Scan on Honeypot | Ports: 2222/SSH-alt | Proto: TCP(1) | Flags: all SYN | TTL: 240 | Len: 44B | ...
show morePort Scan on Honeypot | Ports: 2222/SSH-alt | Proto: TCP(1) | Flags: all SYN | TTL: 240 | Len: 44B | Win: 1025(1) | F2B/ufw-honeypot@2026-09-13T21:16:42Z
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SSH Brute force: 2 attempts were recorded from 159.203.81.53
2026-01-08T08:25:06+01:00 Invalid user ...
show moreSSH Brute force: 2 attempts were recorded from 159.203.81.53
2026-01-08T08:25:06+01:00 Invalid user a from 159.203.81.53 port 36746
2026-01-08T09:36:06+01:00 Invalid user a from 159.203.81.53 port 41490
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Cluster member (Omitted) (US/United States/-) said, DENY 159.203.81.53, Reason:[(sshd) Failed SSH lo ...
show moreCluster member (Omitted) (US/United States/-) said, DENY 159.203.81.53, Reason:[(sshd) Failed SSH login from 159.203.81.53 (US/United States/-): 2 in the last (Omitted)]
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Brute-Force
SSH
Anonymous
2026-01-08T00:07:25.882296-05:00 jesse5 sshd[1666551]: Invalid user a from 159.203.81.53 port 51666
...
show more2026-01-08T00:07:25.882296-05:00 jesse5 sshd[1666551]: Invalid user a from 159.203.81.53 port 51666
...
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(sshd) Failed SSH login from 159.203.81.53 (US/United States/openwrt-24.10.5-x86-64-generic-ext4-com ...
show more(sshd) Failed SSH login from 159.203.81.53 (US/United States/openwrt-24.10.5-x86-64-generic-ext4-combined-efi.img-s-2vcpu-2gb-90gb-intel-nyc3-01): 5 in the last 3600 secs; Ports: *; Direction: 1; Trigger: LF_SSHD; Logs: Jan 7 22:40:03 15177 sshd[3505]: Did not receive identification string from 159.203.81.53 port 50558
Jan 7 22:40:03 15177 sshd[3506]: Invalid user a from 159.203.81.53 port 50568
Jan 7 22:40:05 15177 sshd[3506]: Failed password for invalid user a from 159.203.81.53 port 50568 ssh2
Jan 7 22:40:06 15177 sshd[3508]: Invalid user nil from 159.203.81.53 port 50582
Jan 7 22:40:06 15177 sshd[3510]: Invalid user admin from 159.203.81.53 port 50594
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2026-01-08T12:29:00.435543+08:00 rbm-BIDbKZig sshd[21254]: pam_unix(sshd:auth): authentication failu ...
show more2026-01-08T12:29:00.435543+08:00 rbm-BIDbKZig sshd[21254]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.81.53
2026-01-08T12:29:02.707255+08:00 rbm-BIDbKZig sshd[21254]: Failed password for invalid user a from 159.203.81.53 port 59278 ssh2
2026-01-08T12:29:04.397850+08:00 rbm-BIDbKZig sshd[21297]: Invalid user nil from 159.203.81.53 port 52118
2026-01-08T12:29:04.619267+08:00 rbm-BIDbKZig sshd[21297]: Failed none for invalid user nil from 159.203.81.53 port 52118 ssh2
2026-01-08T12:29:05.933608+08:00 rbm-BIDbKZig sshd[21313]: Invalid user admin from 159.203.81.53 port 52124
...
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(sshd) Failed SSH login from 159.203.81.53 (US/United States/openwrt-24.10.5-x86-64-generic-ext4-com ...
show more(sshd) Failed SSH login from 159.203.81.53 (US/United States/openwrt-24.10.5-x86-64-generic-ext4-combined-efi.img-s-2vcpu-2gb-90gb-intel-nyc3-01): 5 in the last 3600 secs; Ports: *; Direction: 1; Trigger: LF_SSHD; Logs: Jan 7 16:02:00 14240 sshd[6078]: Did not receive identification string from 159.203.81.53 port 55040
Jan 7 16:02:00 14240 sshd[6079]: Invalid user a from 159.203.81.53 port 55056
Jan 7 16:02:01 14240 sshd[6079]: Failed password for invalid user a from 159.203.81.53 port 55056 ssh2
Jan 7 16:02:02 14240 sshd[6136]: Invalid user nil from 159.203.81.53 port 55068
Jan 7 16:02:02 14240 sshd[6138]: Invalid user admin from 159.203.81.53 port 55082
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