This IP address has been reported a total of
58
times from
22 distinct
sources.
139.159.251.4 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
China
with 33
reports;
Hong Kong
with 9
reports;
Germany
with 4
reports.
The most common categories in these recent reports were:
Brute-Force
51
times;
SSH
51
times;
Port Scan
11
times;
Hacking
4
times;
Web App Attack
2
times;
Other
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.
Oct 20 16:16:43 ser162528253480 sshd[2437561]: Invalid user hugo from 139.159.251.4 port 65012
Oct 2 ...
show moreOct 20 16:16:43 ser162528253480 sshd[2437561]: Invalid user hugo from 139.159.251.4 port 65012
Oct 20 16:16:44 ser162528253480 sshd[2437561]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.159.251.4
Oct 20 16:16:46 ser162528253480 sshd[2437561]: Failed password for invalid user hugo from 139.159.251.4 port 65012 ssh2
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139.159.251.4 fell into Endlessh tarpit; 0/12 total connections are currently still open. Total time ...
show more139.159.251.4 fell into Endlessh tarpit; 0/12 total connections are currently still open. Total time wasted: 35m 8s. Total bytes sent by tarpit: 142.00KiB. Report generated by Endlessh Report Generator v1.2.3
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2026-10-20T08:11:37.046056ser850623582384 sshd[2123981]: Invalid user yanze from 139.159.251.4 port ...
show more2026-10-20T08:11:37.046056ser850623582384 sshd[2123981]: Invalid user yanze from 139.159.251.4 port 44784
2026-10-20T08:11:37.113340ser850623582384 sshd[2123981]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.159.251.4
2026-10-20T08:11:39.329537ser850623582384 sshd[2123981]: Failed password for invalid user yanze from 139.159.251.4 port 44784 ssh2
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2026-10-20T02:03:36.883764+08:00 localhost sshd-session[10819]: Invalid user get-pip.py from 139.159 ...
show more2026-10-20T02:03:36.883764+08:00 localhost sshd-session[10819]: Invalid user get-pip.py from 139.159.251.4 port 40165
2026-10-20T02:08:51.350881+08:00 localhost sshd-session[12261]: User systemd-coredump from 139.159.251.4 not allowed because not listed in AllowUsers
2026-10-20T02:18:56.807413+08:00 localhost sshd-session[15095]: Invalid user lhj from 139.159.251.4 port 40774
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2026-10-19T23:08:10.871463+08:00 VM-8-9-debian sshd[1267403]: pam_unix(sshd:auth): authentication fa ...
show more2026-10-19T23:08:10.871463+08:00 VM-8-9-debian sshd[1267403]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.159.251.4
2026-10-19T23:08:12.378434+08:00 VM-8-9-debian sshd[1267403]: Failed password for invalid user devops from 139.159.251.4 port 14433 ssh2
2026-10-19T23:16:19.884274+08:00 VM-8-9-debian sshd[1268526]: Invalid user sk from 139.159.251.4 port 44967
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Oct 19 20:45:21 ser162528253480 sshd[2407649]: Failed password for invalid user yuzy from 139.159.25 ...
show moreOct 19 20:45:21 ser162528253480 sshd[2407649]: Failed password for invalid user yuzy from 139.159.251.4 port 44144 ssh2
Oct 19 20:51:14 ser162528253480 sshd[2407899]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.159.251.4 user=root
Oct 19 20:51:15 ser162528253480 sshd[2407899]: Failed password for root from 139.159.251.4 port 20283 ssh2
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Brute-Force
SSH
Anonymous
2026-10-19T20:28:34.055394+08:00 HKCM1-20260502115917ab4c7d sshd-session[69008]: Invalid user gpu fr ...
show more2026-10-19T20:28:34.055394+08:00 HKCM1-20260502115917ab4c7d sshd-session[69008]: Invalid user gpu from 139.159.251.4 port 23055
2026-10-19T20:28:35.052287+08:00 HKCM1-20260502115917ab4c7d sshd-session[69008]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.159.251.4
2026-10-19T20:28:37.005249+08:00 HKCM1-20260502115917ab4c7d sshd-session[69008]: Failed password for invalid user gpu from 139.159.251.4 port 23055 ssh2
2026-10-19T20:46:58.183066+08:00 HKCM1-20260502115917ab4c7d sshd-session[69911]: Invalid user yuzy from 139.159.251.4 port 51223
2026-10-19T20:46:59.196941+08:00 HKCM1-20260502115917ab4c7d sshd-session[69911]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.159.251.4
2026-10-19T20:47:00.978468+08:00 HKCM1-20260502115917ab4c7d sshd-session[69911]: Failed password for invalid user yuzy from 139.159.251.4 port 51223 ssh2
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