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4.155.50.211

Neutral Activity

Abuse Confidence Score

0% Low Risk

315 reports

144 reporters · latest 1 year ago

ISP: Microsoft Corporation
Usage Type: Data Center/Web Hosting/Transit
ASN: AS8075
Domain Name: microsoft.com
Country: 🇺🇸 United States of America
City: Moses Lake, Washington

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

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No reports in the last 60 days

4.155.50.211 has been reported 315 times. The most recent report is from 1 year 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

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Total reports

315 from 144 distinct reporters

First reported

September 22nd 2025

Most recent report

1 year ago

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇹🇷 rtbh.com.tr	2025-10-02 20:09:07 UTC · (1 year ago)	list.rtbh.com.tr report: tcp/0	Brute-Force
🇹🇷 rtbh.com.tr	2025-10-01 20:09:07 UTC · (1 year ago)	list.rtbh.com.tr report: tcp/0	Brute-Force
🇫🇮 pr0vieh	2025-10-01 03:49:48 UTC · (1 year ago)	2025-10-01T03:36:52.540051+00:00 Linux100 sshd[3771665]: Failed password for invalid user test from 4.155.50.211 port 41102 ssh2 2025-10-01T03:41:16.375161+00:00 Linux100 sshd[3782930]: Invalid user alfresco from 4.155.50.211 port 59174 2025-10-01T03 ... show more 2025-10-01T03:36:52.540051+00:00 Linux100 sshd[3771665]: Failed password for invalid user test from 4.155.50.211 port 41102 ssh2 2025-10-01T03:41:16.375161+00:00 Linux100 sshd[3782930]: Invalid user alfresco from 4.155.50.211 port 59174 2025-10-01T03:41:16.377680+00:00 Linux100 sshd[3782930]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 2025-10-01T03:41:18.503051+00:00 Linux100 sshd[3782930]: Failed password for invalid user alfresco from 4.155.50.211 port 59174 ssh2 2025-10-01T03:45:33.449555+00:00 Linux100 sshd[3795325]: Invalid user nikita from 4.155.50.211 port 52414 2025-10-01T03:45:33.453612+00:00 Linux100 sshd[3795325]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 2025-10-01T03:45:35.860165+00:00 Linux100 sshd[3795325]: Failed password for invalid user nikita from 4.155.50.211 port 52414 ssh2 2025-10-01T03:49:45.392354+00:00 Linux100 sshd[3806028]: Invalid user testm ... show less	Brute-Force SSH
🇳🇿 servewaitaha.net.nz	2025-10-01 03:40:47 UTC · (1 year ago)	2025-10-01T16:36:32+13:00 sshd[968236]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 2025-10-01T16:36:34+13:00 sshd[968236]: Failed password for invalid user test from 4.155.50.211 port 59730 ... show more 2025-10-01T16:36:32+13:00 sshd[968236]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 2025-10-01T16:36:34+13:00 sshd[968236]: Failed password for invalid user test from 4.155.50.211 port 59730 ssh2 2025-10-01T16:40:45+13:00 sshd[968342]: Invalid user alfresco from 4.155.50.211 port 44588 ... show less	Brute-Force SSH
🇵🇱 Wepted	2025-10-01 03:40:04 UTC · (1 year ago)	2025-10-01T05:31:14.271506+02:00 axisverse sshd-session[395926]: Invalid user asterisk from 4.155.50.211 port 51876 2025-10-01T05:35:56.848137+02:00 axisverse sshd-session[408795]: Invalid user test from 4.155.50.211 port 60702 2025-10-01T05:40:03.31 ... show more 2025-10-01T05:31:14.271506+02:00 axisverse sshd-session[395926]: Invalid user asterisk from 4.155.50.211 port 51876 2025-10-01T05:35:56.848137+02:00 axisverse sshd-session[408795]: Invalid user test from 4.155.50.211 port 60702 2025-10-01T05:40:03.319739+02:00 axisverse sshd-session[420355]: Invalid user alfresco from 4.155.50.211 port 50614 ... show less	Brute-Force SSH
🇳🇱 VMHeaven.io	2025-10-01 03:39:11 UTC · (1 year ago)	Oct 1 03:30:16 proxy-xeon sshd[2231567]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 Oct 1 03:30:18 proxy-xeon sshd[2231567]: Failed password for invalid user TEST from 4.155.50.211 port 577 ... show more Oct 1 03:30:16 proxy-xeon sshd[2231567]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 Oct 1 03:30:18 proxy-xeon sshd[2231567]: Failed password for invalid user TEST from 4.155.50.211 port 57704 ssh2 Oct 1 03:39:08 proxy-xeon sshd[2231890]: Invalid user test from 4.155.50.211 port 56270 Oct 1 03:39:08 proxy-xeon sshd[2231890]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 Oct 1 03:39:10 proxy-xeon sshd[2231890]: Failed password for invalid user test from 4.155.50.211 port 56270 ssh2 ... show less	Brute-Force SSH
🇺🇸 bigscoots.com	2025-10-01 03:35:36 UTC · (1 year ago)	(sshd) Failed SSH login from 4.155.50.211 (US/United States/-): 5 in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_SSHD; Logs: Sep 30 22:19:32 14620 sshd[10270]: Invalid user foundry from 4.155.50.211 port 49816 Sep 30 22:19:33 14620 sshd[1 ... show more (sshd) Failed SSH login from 4.155.50.211 (US/United States/-): 5 in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_SSHD; Logs: Sep 30 22:19:32 14620 sshd[10270]: Invalid user foundry from 4.155.50.211 port 49816 Sep 30 22:19:33 14620 sshd[10270]: Failed password for invalid user foundry from 4.155.50.211 port 49816 ssh2 Sep 30 22:31:09 14620 sshd[11560]: Invalid user asterisk from 4.155.50.211 port 47270 Sep 30 22:31:11 14620 sshd[11560]: Failed password for invalid user asterisk from 4.155.50.211 port 47270 ssh2 Sep 30 22:35:33 14620 sshd[12010]: Invalid user test from 4.155.50.211 port 45480 show less	Brute-Force SSH
🇺🇸 kaseidis	2025-10-01 02:09:01 UTC · (1 year ago)	Oct 1 02:04:28 s238143 sshd[1376655]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 Oct 1 02:04:30 s238143 sshd[1376655]: Failed password for invalid user validator from 4.155.50.211 port 5073 ... show more Oct 1 02:04:28 s238143 sshd[1376655]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 Oct 1 02:04:30 s238143 sshd[1376655]: Failed password for invalid user validator from 4.155.50.211 port 50736 ssh2 Oct 1 02:08:59 s238143 sshd[1377142]: Invalid user bot from 4.155.50.211 port 47092 Oct 1 02:08:59 s238143 sshd[1377142]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 Oct 1 02:09:00 s238143 sshd[1377142]: Failed password for invalid user bot from 4.155.50.211 port 47092 ssh2 ... show less	Brute-Force SSH
🇩🇪 SchenklServices	2025-10-01 02:02:08 UTC · (1 year ago)	2025-10-01T03:53:04.774223+02:00 schenklradio sshd[1398255]: Invalid user oracle from 4.155.50.211 port 51384 2025-10-01T03:57:31.182951+02:00 schenklradio sshd[1398287]: Invalid user seekcy from 4.155.50.211 port 55774 2025-10-01T03:57:31.182951+02: ... show more 2025-10-01T03:53:04.774223+02:00 schenklradio sshd[1398255]: Invalid user oracle from 4.155.50.211 port 51384 2025-10-01T03:57:31.182951+02:00 schenklradio sshd[1398287]: Invalid user seekcy from 4.155.50.211 port 55774 2025-10-01T03:57:31.182951+02:00 schenklradio sshd[1398287]: Invalid user seekcy from 4.155.50.211 port 55774 2025-10-01T04:02:08.017712+02:00 schenklradio sshd[1398342]: Invalid user validator from 4.155.50.211 port 40074 ... show less	Brute-Force SSH
🇩🇪 SchenklServices	2025-10-01 00:40:07 UTC · (1 year ago)	2025-10-01T02:10:46.933100+02:00 schenklradio sshd[1396113]: Invalid user user from 4.155.50.211 port 39594 2025-10-01T02:17:40.690747+02:00 schenklradio sshd[1396824]: Invalid user billy from 4.155.50.211 port 54920 2025-10-01T02:22:09.562453+02:00 ... show more 2025-10-01T02:10:46.933100+02:00 schenklradio sshd[1396113]: Invalid user user from 4.155.50.211 port 39594 2025-10-01T02:17:40.690747+02:00 schenklradio sshd[1396824]: Invalid user billy from 4.155.50.211 port 54920 2025-10-01T02:22:09.562453+02:00 schenklradio sshd[1397058]: Invalid user charlene from 4.155.50.211 port 33480 2025-10-01T02:35:28.415367+02:00 schenklradio sshd[1397212]: Invalid user moshe from 4.155.50.211 port 36814 2025-10-01T02:40:06.631103+02:00 schenklradio sshd[1397391]: Invalid user alex from 4.155.50.211 port 34576 ... show less	Brute-Force SSH
🇺🇸 bigscoots.com	2025-10-01 00:24:05 UTC · (1 year ago)	(sshd) Failed SSH login from 4.155.50.211 (US/United States/-): 5 in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_SSHD; Logs: Sep 30 19:13:36 12603 sshd[24658]: Invalid user user from 4.155.50.211 port 55204 Sep 30 19:13:38 12603 sshd[2465 ... show more (sshd) Failed SSH login from 4.155.50.211 (US/United States/-): 5 in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_SSHD; Logs: Sep 30 19:13:36 12603 sshd[24658]: Invalid user user from 4.155.50.211 port 55204 Sep 30 19:13:38 12603 sshd[24658]: Failed password for invalid user user from 4.155.50.211 port 55204 ssh2 Sep 30 19:19:24 12603 sshd[25155]: Invalid user billy from 4.155.50.211 port 42534 Sep 30 19:19:26 12603 sshd[25155]: Failed password for invalid user billy from 4.155.50.211 port 42534 ssh2 Sep 30 19:23:49 12603 sshd[25468]: Invalid user charlene from 4.155.50.211 port 38334 show less	Brute-Force SSH
🇦🇹 centurion	2025-10-01 00:14:21 UTC · (1 year ago)	Unauthorized attempt on cendev [2222/tcp] Source port: 49356 TTL: 39 Packet length: 60 TOS: 0x00 https://github.com/sefinek/UFW-AbuseIPDB-Reporter	Port Scan
🇺🇸 shaunc	2025-10-01 00:14:07 UTC · (1 year ago)	Sep 30 19:14:03 [redacted] sshd[30376]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 Sep 30 19:14:05 [redacted] sshd[30376]: Failed password for invalid user user from 4.155.50.211 port 50530 ss ... show more Sep 30 19:14:03 [redacted] sshd[30376]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 Sep 30 19:14:05 [redacted] sshd[30376]: Failed password for invalid user user from 4.155.50.211 port 50530 ssh2 Sep 30 19:14:05 [redacted] sshd[30376]: Disconnected from 4.155.50.211 port 50530 [preauth] show less	Brute-Force SSH
🇬🇧 blik2108	2025-09-30 19:47:22 UTC · (1 year ago)	2025-09-30T20:47:10.181962 jumphost sshd[1052341]: Connection from 4.155.50.211 port 42762 on 192.168.40.4 port 22 rdomain "" 2025-09-30T20:47:21.396531 jumphost sshd[1052341]: Invalid user foundry from 4.155.50.211 port 42762 ...	Brute-Force SSH
🇺🇸 bigscoots.com	2025-09-30 19:27:46 UTC · (1 year ago)	4.155.50.211 (US/United States/-), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Sep 30 14:18:54 13239 sshd[13540]: pam_unix(sshd:auth): authentication failure; logname= uid= ... show more 4.155.50.211 (US/United States/-), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Sep 30 14:18:54 13239 sshd[13540]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.59.95.254 user=root Sep 30 14:18:56 13239 sshd[13540]: Failed password for root from 146.59.95.254 port 33192 ssh2 Sep 30 14:19:34 13239 sshd[13624]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.79.136 user=root Sep 30 14:27:40 13239 sshd[14539]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=4.155.50.211 user=root Sep 30 14:20:55 13239 sshd[13786]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.59.95.254 user=root IP Addresses Blocked: 146.59.95.254 (PL/Poland/vps-c4881b1d.vps.ovh.net) 54.38.79.136 (GB/United Kingdom/vps-5519d93b.vps.ovh.net) show less	Brute-Force SSH

Showing 1 to 15 of 315 reports

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