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115.51.44.140

Neutral Activity

Abuse Confidence Score

0% Low Risk

27 reports

20 reporters · latest 10 months ago

ISP: China Unicom Henan province network
Usage Type: Fixed Line ISP
ASN: AS4837
Domain Name: chinaunicom.cn
Country: 🇨🇳 China
City: Zhengzhou, Henan

ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

Report Whois

No reports in the last 60 days

115.51.44.140 has been reported 27 times. The most recent report is from 10 months ago.

The full history is preserved below and remains searchable. A 0% score reflects the absence of recent activity, but this is not a guarantee that earlier reports were invalid. Abuse confidence score decays, naturally, over time, when the abusive activity stops.

Abuse Reports

Export reports CSV

Total reports

27 from 20 distinct reporters

First reported

January 8th 2026

Most recent report

10 months ago

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇳 ThreatBook.io	2026-01-10 01:18:15 UTC · (10 months ago)	ThreatBook Intelligence: Scanner,Dynamic IP more details on https://threatbook.io/ip/115.51.44.140	SSH
🇩🇪 ChrisB	2026-01-09 19:45:02 UTC · (10 months ago)	Fail2Ban	Brute-Force SSH
🇨🇭 altux	2026-01-09 17:00:58 UTC · (10 months ago)	2026-01-09T17:51:18.625863firelutry sshd[1826100]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.51.44.140 2026-01-09T17:51:20.740681firelutry sshd[1826100]: Failed password for invalid user user from 115 ... show more 2026-01-09T17:51:18.625863firelutry sshd[1826100]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.51.44.140 2026-01-09T17:51:20.740681firelutry sshd[1826100]: Failed password for invalid user user from 115.51.44.140 port 39874 ssh2 2026-01-09T18:00:57.705371firelutry sshd[1827196]: Invalid user deployerer from 115.51.44.140 port 59986 ... show less	Brute-Force SSH
🇺🇸 CGT Software Webmaster	2026-01-09 13:50:01 UTC · (10 months ago)	2026-01-09T06:49:24.882440-07:00 safe-flag-1.localdomain sshd[3955266]: Failed password for root from 115.51.44.140 port 40692 ssh2 2026-01-09T06:49:58.450685-07:00 safe-flag-1.localdomain sshd[3955313]: pam_unix(sshd:auth): authentication failure; l ... show more 2026-01-09T06:49:24.882440-07:00 safe-flag-1.localdomain sshd[3955266]: Failed password for root from 115.51.44.140 port 40692 ssh2 2026-01-09T06:49:58.450685-07:00 safe-flag-1.localdomain sshd[3955313]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.51.44.140 user=root 2026-01-09T06:50:00.928961-07:00 safe-flag-1.localdomain sshd[3955313]: Failed password for root from 115.51.44.140 port 35416 ssh2 ... show less	Port Scan Brute-Force
🇺🇸 Freenex1911	2026-01-09 05:38:15 UTC · (10 months ago)	2026-01-09T06:38:12.738625+01:00 bear sshd[2263077]: Invalid user user from 115.51.44.140 port 56634 2026-01-09T06:38:12.745489+01:00 bear sshd[2263077]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.51.4 ... show more 2026-01-09T06:38:12.738625+01:00 bear sshd[2263077]: Invalid user user from 115.51.44.140 port 56634 2026-01-09T06:38:12.745489+01:00 bear sshd[2263077]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.51.44.140 2026-01-09T06:38:15.230776+01:00 bear sshd[2263077]: Failed password for invalid user user from 115.51.44.140 port 56634 ssh2 ... show less	Brute-Force SSH
🇳🇱 hydrattack.com	2026-01-09 04:29:12 UTC · (10 months ago)	Jan 9 07:15:35 HydrAttack-TW-HL sshd[2294436]: Invalid user user from 115.51.44.140 port 37794 Jan 9 07:25:12 HydrAttack-TW-HL sshd[2295006]: Invalid user test from 115.51.44.140 port 55738 Jan 9 07:27:03 HydrAttack-TW-HL sshd[2295095]: Invalid us ... show more Jan 9 07:15:35 HydrAttack-TW-HL sshd[2294436]: Invalid user user from 115.51.44.140 port 37794 Jan 9 07:25:12 HydrAttack-TW-HL sshd[2295006]: Invalid user test from 115.51.44.140 port 55738 Jan 9 07:27:03 HydrAttack-TW-HL sshd[2295095]: Invalid user test from 115.51.44.140 port 57182 Jan 9 07:28:24 HydrAttack-TW-HL sshd[2295199]: Invalid user ubuntu from 115.51.44.140 port 40688 Jan 9 07:29:12 HydrAttack-TW-HL sshd[2295251]: Invalid user deploy from 115.51.44.140 port 47382 ... show less	Brute-Force
🇺🇸 bigscoots.com	2026-01-09 03:36:57 UTC · (10 months ago)	115.51.44.140 (CN/China/hn.kd.ny.adsl), 5 distributed sshd attacks on account [test] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jan 8 21:19:40 16610 sshd[5870]: Invalid user test from 45.78.222.243 port 34994 Jan 8 ... show more 115.51.44.140 (CN/China/hn.kd.ny.adsl), 5 distributed sshd attacks on account [test] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jan 8 21:19:40 16610 sshd[5870]: Invalid user test from 45.78.222.243 port 34994 Jan 8 21:19:43 16610 sshd[5870]: Failed password for invalid user test from 45.78.222.243 port 34994 ssh2 Jan 8 21:36:45 16610 sshd[7620]: Invalid user test from 115.51.44.140 port 37074 Jan 8 21:20:12 16610 sshd[5950]: Invalid user test from 58.37.95.14 port 45270 Jan 8 21:20:14 16610 sshd[5950]: Failed password for invalid user test from 58.37.95.14 port 45270 ssh2 IP Addresses Blocked: 45.78.222.243 (SG/Singapore/-) show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-01-09 02:50:51 UTC · (10 months ago)	115.51.44.140 (CN/China/hn.kd.ny.adsl), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jan 8 20:49:44 14970 sshd[28541]: pam_unix(sshd:auth): authentication failure; logname= ... show more 115.51.44.140 (CN/China/hn.kd.ny.adsl), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jan 8 20:49:44 14970 sshd[28541]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.243.71.51 user=root Jan 8 20:49:46 14970 sshd[28541]: Failed password for root from 91.243.71.51 port 43028 ssh2 Jan 8 20:44:35 14970 sshd[28137]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.51.44.140 user=root Jan 8 20:44:36 14970 sshd[28137]: Failed password for root from 115.51.44.140 port 45692 ssh2 Jan 8 20:50:30 14970 sshd[28628]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.44.96.117 user=root IP Addresses Blocked: 91.243.71.51 (KZ/Kazakhstan/-) show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-01-09 01:39:45 UTC · (10 months ago)	115.51.44.140 (CN/China/hn.kd.ny.adsl), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jan 8 19:39:23 15235 sshd[2185]: pam_unix(sshd:auth): authentication failure; logname= ... show more 115.51.44.140 (CN/China/hn.kd.ny.adsl), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jan 8 19:39:23 15235 sshd[2185]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.51.44.140 user=root Jan 8 19:39:25 15235 sshd[2185]: Failed password for root from 115.51.44.140 port 58020 ssh2 Jan 8 19:18:38 15235 sshd[32701]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.51.44.140 user=root Jan 8 19:18:40 15235 sshd[32701]: Failed password for root from 115.51.44.140 port 37602 ssh2 Jan 8 19:26:37 15235 sshd[1022]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.78.219.224 user=root IP Addresses Blocked: show less	Brute-Force SSH
🇺🇸 paradoxnetworks	2026-01-09 00:59:40 UTC · (10 months ago)	2026-01-09T00:49:21.235416+00:00 edge-con-mia01.int.pdx.net.uk sshd[3359431]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.51.44.140 2026-01-09T00:49:23.475886+00:00 edge-con-mia01.int.pdx.net.uk sshd[33 ... show more 2026-01-09T00:49:21.235416+00:00 edge-con-mia01.int.pdx.net.uk sshd[3359431]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.51.44.140 2026-01-09T00:49:23.475886+00:00 edge-con-mia01.int.pdx.net.uk sshd[3359431]: Failed password for invalid user ubuntu from 115.51.44.140 port 39442 ssh2 2026-01-09T00:59:39.984109+00:00 edge-con-mia01.int.pdx.net.uk sshd[3360216]: Invalid user user from 115.51.44.140 port 55648 ... show less	Brute-Force SSH
🇨🇳 ThreatBook.io	2026-01-09 00:59:16 UTC · (10 months ago)	ThreatBook Intelligence: Dynamic IP more details on http://threatbook.io/ip/115.51.44.140	SSH
🇺🇸 bigscoots.com	2026-01-08 22:30:30 UTC · (10 months ago)	115.51.44.140 (CN/China/hn.kd.ny.adsl), 5 distributed sshd attacks on account [user1] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jan 8 16:27:46 15015 sshd[11594]: Invalid user user1 from 45.78.198.43 port 50476 Jan ... show more 115.51.44.140 (CN/China/hn.kd.ny.adsl), 5 distributed sshd attacks on account [user1] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jan 8 16:27:46 15015 sshd[11594]: Invalid user user1 from 45.78.198.43 port 50476 Jan 8 16:27:48 15015 sshd[11594]: Failed password for invalid user user1 from 45.78.198.43 port 50476 ssh2 Jan 8 16:30:23 15015 sshd[11806]: Invalid user user1 from 115.51.44.140 port 47600 Jan 8 15:31:12 15015 sshd[6487]: Invalid user user1 from 118.69.65.39 port 49418 Jan 8 15:31:14 15015 sshd[6487]: Failed password for invalid user user1 from 118.69.65.39 port 49418 ssh2 IP Addresses Blocked: 45.78.198.43 (SG/Singapore/-) show less	Brute-Force SSH
🇳🇱 xTom	2026-01-08 22:02:43 UTC · (10 months ago)	2026-01-08T21:53:32.994620+00:00 cdn-nl sshd[3498379]: Invalid user ubuntu from 115.51.44.140 port 58332 2026-01-08T22:02:17.498885+00:00 cdn-nl sshd[3499108]: Invalid user admin1 from 115.51.44.140 port 36200 2026-01-08T22:02:43.143299+00:00 cdn-nl ... show more 2026-01-08T21:53:32.994620+00:00 cdn-nl sshd[3498379]: Invalid user ubuntu from 115.51.44.140 port 58332 2026-01-08T22:02:17.498885+00:00 cdn-nl sshd[3499108]: Invalid user admin1 from 115.51.44.140 port 36200 2026-01-08T22:02:43.143299+00:00 cdn-nl sshd[3499156]: Invalid user test from 115.51.44.140 port 37828 ... show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-01-08 21:16:44 UTC · (10 months ago)	115.51.44.140 (CN/China/hn.kd.ny.adsl), 5 distributed sshd attacks on account [admin] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jan 8 14:39:33 15424 sshd[871]: Invalid user admin from 66.154.105.177 port 54792 Jan ... show more 115.51.44.140 (CN/China/hn.kd.ny.adsl), 5 distributed sshd attacks on account [admin] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jan 8 14:39:33 15424 sshd[871]: Invalid user admin from 66.154.105.177 port 54792 Jan 8 15:15:22 15424 sshd[4315]: Failed password for invalid user admin from 115.51.44.140 port 41492 ssh2 Jan 8 15:16:30 15424 sshd[4435]: Invalid user admin from 14.103.202.110 port 54168 Jan 8 15:16:32 15424 sshd[4435]: Failed password for invalid user admin from 14.103.202.110 port 54168 ssh2 Jan 8 15:15:20 15424 sshd[4315]: Invalid user admin from 115.51.44.140 port 41492 IP Addresses Blocked: 66.154.105.177 (US/United States/-) show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-01-08 19:39:01 UTC · (10 months ago)	115.51.44.140 (CN/China/hn.kd.ny.adsl), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jan 8 13:38:42 14514 sshd[17671]: pam_unix(sshd:auth): authentication failure; logname= ... show more 115.51.44.140 (CN/China/hn.kd.ny.adsl), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Jan 8 13:38:42 14514 sshd[17671]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.172.75.161 user=root Jan 8 12:52:17 14514 sshd[13697]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.51.44.140 user=root Jan 8 12:52:20 14514 sshd[13697]: Failed password for root from 115.51.44.140 port 46284 ssh2 Jan 8 13:38:11 14514 sshd[17658]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.172.75.161 user=root Jan 8 13:38:12 14514 sshd[17658]: Failed password for root from 107.172.75.161 port 29270 ssh2 IP Addresses Blocked: 107.172.75.161 (US/United States/107-172-75-161-host.colocrossing.com) show less	Brute-Force SSH

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