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181.23.83.39

Recent Activity

Abuse Confidence Score

100% Critical

239 reports

154 reporters · latest 1 day ago

ISP: Telefonica de Argentina
Usage Type: Fixed Line ISP
ASN: AS22927
Hostname(s): 181-23-83-39.mrse.com.ar
Domain Name: telefonica.com.ar
Country: 🇦🇷 Argentina
City: La Plata, Buenos Aires

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

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Abuse Reports

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Total reports

239 from 154 distinct reporters

First reported

November 17th 2025

Most recent report

1 day ago

Last 60 days

Top reporter locations 🇩🇪 Germany 56 🇺🇸 United States of America 39 🇫🇷 France 22

Most common categories SSH 221 Brute-Force 220 Port Scan 13 Hacking 10 Web App Attack 3

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.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇦🇹 urnilxfgbez	2026-11-10 23:35:00 UTC · (1 day ago)	Last 24 hours Brute Force Attacks	Brute-Force
🇨🇦 bmcg	2026-11-10 22:20:47 UTC · (1 day ago)	2026-11-10 01:51:48 server sshd[6776]: Failed password for invalid user root from 181.23.83.39 port 60538 ssh2	Brute-Force SSH
🇦🇺 paradoxnetworks	2026-11-10 13:03:21 UTC · (1 day ago)	2026-11-10T12:59:20.233529+00:00 rc01 sshd-session[2224566]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 user=root 2026-11-10T12:59:22.526985+00:00 rc01 sshd-session[2224566]: Failed password ... show more 2026-11-10T12:59:20.233529+00:00 rc01 sshd-session[2224566]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 user=root 2026-11-10T12:59:22.526985+00:00 rc01 sshd-session[2224566]: Failed password for root from 181.23.83.39 port 50650 ssh2 2026-11-10T13:03:21.494856+00:00 rc01 sshd-session[2225088]: Invalid user frappe from 181.23.83.39 port 51112 ... show less	Brute-Force SSH
🇫🇷 maza	2026-11-10 12:48:44 UTC · (1 day ago)	[Unstoppable Security] Repeated SSH authentication failures detected. Source IP automatically blocked by our firewall.	Brute-Force SSH
Anonymous	2026-11-10 12:31:41 UTC · (1 day ago)	SSH brute force: repeated failed logins and invalid usernames. Reported by fail2ban.	Brute-Force SSH
🇮🇹 alph44	2026-11-10 12:31:15 UTC · (1 day ago)	SSH brute force attack detected: 19 failed attempts	Brute-Force
🇿🇦 oh.mg	2026-11-10 12:25:24 UTC · (1 day ago)	2026-11-10T14:21:44.993803+02:00 chat.me.ke sshd[635535]: Failed password for root from 181.23.83.39 port 60376 ssh2 2026-11-10T14:25:20.952112+02:00 chat.me.ke sshd[653046]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ... show more 2026-11-10T14:21:44.993803+02:00 chat.me.ke sshd[635535]: Failed password for root from 181.23.83.39 port 60376 ssh2 2026-11-10T14:25:20.952112+02:00 chat.me.ke sshd[653046]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 user=root 2026-11-10T14:25:23.613828+02:00 chat.me.ke sshd[653046]: Failed password for root from 181.23.83.39 port 35438 ssh2 2026-11-10T14:25:20.952112+02:00 chat.me.ke sshd[653046]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 user=root 2026-11-10T14:25:23.613828+02:00 chat.me.ke sshd[653046]: Failed password for root from 181.23.83.39 port 35438 ssh2 ... show less	Brute-Force SSH
🇩🇪 sledzik1984	2026-11-10 12:21:54 UTC · (1 day ago)	2026-11-10T13:18:21.126465+01:00 pbs sshd-session[690028]: Invalid user test from 181.23.83.39 port 35038 2026-11-10T13:18:21.131476+01:00 pbs sshd-session[690028]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rho ... show more 2026-11-10T13:18:21.126465+01:00 pbs sshd-session[690028]: Invalid user test from 181.23.83.39 port 35038 2026-11-10T13:18:21.131476+01:00 pbs sshd-session[690028]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 2026-11-10T13:18:22.754892+01:00 pbs sshd-session[690028]: Failed password for invalid user test from 181.23.83.39 port 35038 ssh2 2026-11-10T13:21:50.902686+01:00 pbs sshd-session[690150]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 user=root 2026-11-10T13:21:53.032951+01:00 pbs sshd-session[690150]: Failed password for root from 181.23.83.39 port 37330 ssh2 ... show less	Brute-Force SSH
🇸🇪 ljo	2026-11-10 12:18:50 UTC · (1 day ago)	2026-11-10T13:07:06.188876+01:00 serengeti sshd-session[1437417]: Failed password for root from 181.23.83.39 port 33078 ssh2 2026-11-10T13:10:57.135874+01:00 serengeti sshd-session[1438076]: Failed password for root from 181.23.83.39 port 38492 ssh2 ... show more 2026-11-10T13:07:06.188876+01:00 serengeti sshd-session[1437417]: Failed password for root from 181.23.83.39 port 33078 ssh2 2026-11-10T13:10:57.135874+01:00 serengeti sshd-session[1438076]: Failed password for root from 181.23.83.39 port 38492 ssh2 2026-11-10T13:14:52.579689+01:00 serengeti sshd-session[1438333]: Failed password for root from 181.23.83.39 port 43916 ssh2 2026-11-10T13:18:39.789665+01:00 serengeti sshd-session[1438871]: Invalid user admin from 181.23.83.39 port 50760 2026-11-10T13:18:39.791187+01:00 serengeti sshd-session[1438871]: Failed password for invalid user admin from 181.23.83.39 port 50760 ssh2 ... show less	Brute-Force SSH
🇬🇧 Hydrated8853	2026-11-10 12:10:43 UTC · (1 day ago)	2026-11-10T20:02:51.652453+08:00 debian sshd[733535]: Failed password for root from 181.23.83.39 port 37748 ssh2 2026-11-10T20:06:53.171501+08:00 debian sshd[733541]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= r ... show more 2026-11-10T20:02:51.652453+08:00 debian sshd[733535]: Failed password for root from 181.23.83.39 port 37748 ssh2 2026-11-10T20:06:53.171501+08:00 debian sshd[733541]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 user=root 2026-11-10T20:06:55.199142+08:00 debian sshd[733541]: Failed password for root from 181.23.83.39 port 44130 ssh2 2026-11-10T20:10:40.594256+08:00 debian sshd[733547]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 user=root 2026-11-10T20:10:42.782038+08:00 debian sshd[733547]: Failed password for root from 181.23.83.39 port 49107 ssh2 ... show less	Brute-Force SSH
🇵🇱 EndCore Group	2026-11-10 12:06:21 UTC · (1 day ago)	2026-11-10T08:02:20.551373-04:00 debian sshd-session[3468542]: Failed password for root from 181.23.83.39 port 45629 ssh2 2026-11-10T08:06:18.259556-04:00 debian sshd-session[3484930]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid= ... show more 2026-11-10T08:02:20.551373-04:00 debian sshd-session[3468542]: Failed password for root from 181.23.83.39 port 45629 ssh2 2026-11-10T08:06:18.259556-04:00 debian sshd-session[3484930]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 user=root 2026-11-10T08:06:20.699778-04:00 debian sshd-session[3484930]: Failed password for root from 181.23.83.39 port 51328 ssh2 ... show less	Brute-Force SSH
🇩🇪 sledzik1984	2026-11-10 11:59:17 UTC · (1 day ago)	2026-11-10T12:51:39.073348+01:00 pbs sshd-session[689123]: Failed password for root from 181.23.83.39 port 35913 ssh2 2026-11-10T12:55:21.335579+01:00 pbs sshd-session[689261]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ss ... show more 2026-11-10T12:51:39.073348+01:00 pbs sshd-session[689123]: Failed password for root from 181.23.83.39 port 35913 ssh2 2026-11-10T12:55:21.335579+01:00 pbs sshd-session[689261]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 user=root 2026-11-10T12:55:23.270054+01:00 pbs sshd-session[689261]: Failed password for root from 181.23.83.39 port 37019 ssh2 2026-11-10T12:59:14.586899+01:00 pbs sshd-session[689384]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 user=root 2026-11-10T12:59:16.877006+01:00 pbs sshd-session[689384]: Failed password for root from 181.23.83.39 port 38536 ssh2 ... show less	Brute-Force SSH
🇩🇪 Mr-Money	2026-11-10 11:45:25 UTC · (1 day ago)	scenario: crowdsecurity/ssh-bf - events: 6	SSH Brute-Force
🇸🇪 ljo	2026-11-10 11:44:45 UTC · (1 day ago)	2026-11-10T12:36:52.179954+01:00 serengeti sshd-session[1432810]: Invalid user gitea from 181.23.83.39 port 54263 2026-11-10T12:36:52.181351+01:00 serengeti sshd-session[1432810]: Failed password for invalid user gitea from 181.23.83.39 port 54263 ss ... show more 2026-11-10T12:36:52.179954+01:00 serengeti sshd-session[1432810]: Invalid user gitea from 181.23.83.39 port 54263 2026-11-10T12:36:52.181351+01:00 serengeti sshd-session[1432810]: Failed password for invalid user gitea from 181.23.83.39 port 54263 ssh2 2026-11-10T12:40:46.028299+01:00 serengeti sshd-session[1433633]: Failed password for root from 181.23.83.39 port 52453 ssh2 2026-11-10T12:44:34.130648+01:00 serengeti sshd-session[1433888]: Invalid user deploy from 181.23.83.39 port 49715 2026-11-10T12:44:34.132071+01:00 serengeti sshd-session[1433888]: Failed password for invalid user deploy from 181.23.83.39 port 49715 ssh2 ... show less	Brute-Force SSH
🇿🇦 oh.mg	2026-11-10 11:43:57 UTC · (1 day ago)	2026-11-10T13:40:04.687579+02:00 chat.me.ke sshd[431672]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 user=root 2026-11-10T13:40:06.821708+02:00 chat.me.ke sshd[431672]: Failed password for ro ... show more 2026-11-10T13:40:04.687579+02:00 chat.me.ke sshd[431672]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 user=root 2026-11-10T13:40:06.821708+02:00 chat.me.ke sshd[431672]: Failed password for root from 181.23.83.39 port 57814 ssh2 2026-11-10T13:43:54.938805+02:00 chat.me.ke sshd[450123]: Invalid user deploy from 181.23.83.39 port 55855 2026-11-10T13:43:54.946036+02:00 chat.me.ke sshd[450123]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.83.39 2026-11-10T13:43:56.985151+02:00 chat.me.ke sshd[450123]: Failed password for invalid user deploy from 181.23.83.39 port 55855 ssh2 ... show less	Brute-Force SSH

Showing 1 to 15 of 239 reports

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