JavaScript is disabled. Some features of this site may not work properly. For a smoother experience, please enable JavaScript in your browser settings.

181.23.52.0

Recent Activity

Abuse Confidence Score

100% Critical

59 reports

54 reporters · latest 2 days ago

ISP: Telefonica de Argentina
Usage Type: Fixed Line ISP
ASN: AS22927
Domain Name: telefonica.com.ar
Country: 🇦🇷 Argentina
City: La Plata, Buenos Aires

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

Report Whois

Example preview

Account required for the enhanced features Log in Sign up

Abuse Reports

Export reports CSV

Total reports

59 from 54 distinct reporters

First reported

November 2nd 2026

Most recent report

2 days ago

Last 60 days

Top reporter locations 🇩🇪 Germany 15 🇺🇸 United States of America 12 🇫🇷 France 9

Most common categories Brute-Force 54 SSH 53 Port Scan 1 Web App Attack 1 Hacking 1

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
🇺🇸 itxworks.com	2026-11-08 05:39:07 UTC · (2 days ago)	SSH brute-force attempt. Auto-reported by CrowdSec.	Brute-Force SSH
🇫🇷 chrisj	2026-11-03 14:39:36 UTC · (6 days ago)	2026-11-03T14:34:52.900166+00:00 www.diamondaviators.net sshd-session[409382]: Failed password for invalid user claude from 181.23.52.0 port 40083 ssh2 2026-11-03T14:39:33.791125+00:00 www.diamondaviators.net sshd-session[409616]: Invalid user user2 ... show more 2026-11-03T14:34:52.900166+00:00 www.diamondaviators.net sshd-session[409382]: Failed password for invalid user claude from 181.23.52.0 port 40083 ssh2 2026-11-03T14:39:33.791125+00:00 www.diamondaviators.net sshd-session[409616]: Invalid user user2 from 181.23.52.0 port 47236 2026-11-03T14:39:33.794717+00:00 www.diamondaviators.net sshd-session[409616]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.52.0 2026-11-03T14:39:35.392188+00:00 www.diamondaviators.net sshd-session[409616]: Failed password for invalid user user2 from 181.23.52.0 port 47236 ssh2 ... show less	Brute-Force SSH
🇯🇵 CowGL	2026-11-03 14:37:52 UTC · (6 days ago)	2026-11-03T14:33:01.221123cowgrassland sshd[1819811]: Invalid user nokia from 181.23.52.0 port 45442 2026-11-03T14:33:01.515613cowgrassland sshd[1819811]: Disconnected from invalid user nokia 181.23.52.0 port 45442 [preauth] 2026-11-03T14:37:51.01663 ... show more 2026-11-03T14:33:01.221123cowgrassland sshd[1819811]: Invalid user nokia from 181.23.52.0 port 45442 2026-11-03T14:33:01.515613cowgrassland sshd[1819811]: Disconnected from invalid user nokia 181.23.52.0 port 45442 [preauth] 2026-11-03T14:37:51.016634cowgrassland sshd[1825319]: Invalid user claude from 181.23.52.0 port 53273 2026-11-03T14:37:51.315067cowgrassland sshd[1825319]: Disconnected from invalid user claude 181.23.52.0 port 53273 [preauth] show less	Brute-Force SSH
🇺🇸 yzfdude1	2026-11-03 14:36:35 UTC · (6 days ago)	2026-11-03T08:25:44.543619-06:00 peterbilt sshd[114176]: pam_sss(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.52.0 user=nokia 2026-11-03T08:25:46.093146-06:00 peterbilt sshd[114176]: Failed password for invali ... show more 2026-11-03T08:25:44.543619-06:00 peterbilt sshd[114176]: pam_sss(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.52.0 user=nokia 2026-11-03T08:25:46.093146-06:00 peterbilt sshd[114176]: Failed password for invalid user nokia from 181.23.52.0 port 36640 ssh2 2026-11-03T08:36:35.181322-06:00 peterbilt sshd[114383]: Invalid user claude from 181.23.52.0 port 44010 ... show less	Brute-Force SSH
🇫🇷 adnscom.com	2026-11-03 14:31:09 UTC · (6 days ago)	IPS trigger: Brute force SSH scanning/attack	Brute-Force SSH
🇩🇪 Tsumugi Kotobuki	2026-11-03 14:25:46 UTC · (6 days ago)	SSH Brute-Force \| Events: 1 \| Ports: 22/SSH \| Auth: password(1x) \| Client: libssh_0.9.6 \| F2B/ssh-honeypot-bruteforce@2026-11-03T14:25:46Z	Brute-Force SSH
🇨🇭 Mario Bretscher	2026-11-03 14:01:31 UTC · (6 days ago)	2026-11-03T14:51:57.419457+01:00 hades sshd[177483]: Invalid user redhat from 181.23.52.0 port 60634 2026-11-03T14:56:43.199465+01:00 hades sshd[177792]: Invalid user user from 181.23.52.0 port 40139 2026-11-03T15:01:29.235076+01:00 hades sshd[178084 ... show more 2026-11-03T14:51:57.419457+01:00 hades sshd[177483]: Invalid user redhat from 181.23.52.0 port 60634 2026-11-03T14:56:43.199465+01:00 hades sshd[177792]: Invalid user user from 181.23.52.0 port 40139 2026-11-03T15:01:29.235076+01:00 hades sshd[178084]: Invalid user laurent from 181.23.52.0 port 47019 ... show less	SSH
🇮🇩 Vano Ganzzz	2026-11-03 13:55:17 UTC · (6 days ago)	[Fail2Ban] Banned 181.23.52.0 for 600 seconds. No specific log lines found at the time of reporting.	Brute-Force SSH
🇫🇷 Maxime Chourre	2026-11-03 13:14:01 UTC · (6 days ago)	2026-11-03T15:09:10.635665+02:00 cloud sshd[1322059]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.52.0 2026-11-03T15:09:12.843404+02:00 cloud sshd[1322059]: Failed password for invalid user wso2 from ... show more 2026-11-03T15:09:10.635665+02:00 cloud sshd[1322059]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.52.0 2026-11-03T15:09:12.843404+02:00 cloud sshd[1322059]: Failed password for invalid user wso2 from 181.23.52.0 port 39482 ssh2 2026-11-03T15:13:58.434607+02:00 cloud sshd[1323173]: Invalid user toni from 181.23.52.0 port 47192 2026-11-03T15:13:58.440659+02:00 cloud sshd[1323173]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.52.0 2026-11-03T15:14:00.516392+02:00 cloud sshd[1323173]: Failed password for invalid user toni from 181.23.52.0 port 47192 ssh2 ... show less	Brute-Force
🇩🇪 neoadvanced	2026-11-03 13:08:09 UTC · (6 days ago)	2026-11-03T15:08:06.616645+02:00 server sshd[65688]: Invalid user wso2 from 181.23.52.0 port 40628 2026-11-03T15:08:06.618978+02:00 server sshd[65688]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.52. ... show more 2026-11-03T15:08:06.616645+02:00 server sshd[65688]: Invalid user wso2 from 181.23.52.0 port 40628 2026-11-03T15:08:06.618978+02:00 server sshd[65688]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.52.0 2026-11-03T15:08:08.706034+02:00 server sshd[65688]: Failed password for invalid user wso2 from 181.23.52.0 port 40628 ssh2 ... show less	Brute-Force SSH
🇫🇷 focusnic.com	2026-11-03 12:29:37 UTC · (1 week ago)	Multiple SSH login attempts from 181.23.52.0 targeting user(s): root,sage \| Server Managed by Focusnic	Brute-Force SSH
🇫🇷 NPatouillard	2026-11-03 12:26:37 UTC · (1 week ago)	Nov 3 13:12:09 git sshd[1934547]: Invalid user nextcloud from 181.23.52.0 port 35173 Nov 3 13:21:38 git sshd[1934601]: Invalid user project from 181.23.52.0 port 36500 Nov 3 13:26:36 git sshd[1934610]: Invalid user sage from 181.23.52.0 port 44858 ... show more Nov 3 13:12:09 git sshd[1934547]: Invalid user nextcloud from 181.23.52.0 port 35173 Nov 3 13:21:38 git sshd[1934601]: Invalid user project from 181.23.52.0 port 36500 Nov 3 13:26:36 git sshd[1934610]: Invalid user sage from 181.23.52.0 port 44858 ... show less	Brute-Force SSH
🇺🇸 jfc	2026-11-03 12:26:00 UTC · (1 week ago)	2026-11-03T06:08:36.342851-06:00 oracle5 sshd[1745904]: Invalid user nextcloud from 181.23.52.0 port 43322 2026-11-03T06:21:01.283127-06:00 oracle5 sshd[1770153]: Invalid user project from 181.23.52.0 port 58559 2026-11-03T06:25:59.626889-06:00 oracl ... show more 2026-11-03T06:08:36.342851-06:00 oracle5 sshd[1745904]: Invalid user nextcloud from 181.23.52.0 port 43322 2026-11-03T06:21:01.283127-06:00 oracle5 sshd[1770153]: Invalid user project from 181.23.52.0 port 58559 2026-11-03T06:25:59.626889-06:00 oracle5 sshd[1779893]: Invalid user sage from 181.23.52.0 port 38761 ... show less	Brute-Force SSH
🇺🇸 Tect.host	2026-11-03 11:09:41 UTC · (1 week ago)	Brute-force SSH server detected by Fail2ban	Brute-Force SSH
🇩🇪 Blauregen	2026-11-03 11:02:51 UTC · (1 week ago)	2026-11-03T12:58:02.339690+02:00 tff sshd[2355516]: Invalid user oracle from 181.23.52.0 port 56891 2026-11-03T12:58:02.342614+02:00 tff sshd[2355516]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.52. ... show more 2026-11-03T12:58:02.339690+02:00 tff sshd[2355516]: Invalid user oracle from 181.23.52.0 port 56891 2026-11-03T12:58:02.342614+02:00 tff sshd[2355516]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.52.0 2026-11-03T12:58:04.410474+02:00 tff sshd[2355516]: Failed password for invalid user oracle from 181.23.52.0 port 56891 ssh2 2026-11-03T13:02:43.618942+02:00 tff sshd[2363923]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.52.0 user=root 2026-11-03T13:02:45.596165+02:00 tff sshd[2363923]: Failed password for root from 181.23.52.0 port 36508 ssh2 ... show less	Brute-Force SSH

Showing 1 to 15 of 59 reports

Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown

Recently Reported IPs:

🇵🇱 2400:cb00:1055:1000:6445:b61e:3f92:6211

🇨🇳 220.196.160.40

🇩🇪 172.70.246.242

🇺🇸 165.154.163.10

🇮🇳 117.254.119.147

🇺🇸 104.22.1.75

🇺🇦 37.53.183.211

🇺🇸 195.63.9.29

🇳🇱 176.65.148.136

🇸🇪 154.14.144.138

🇮🇹 150.228.93.129

🇸🇮 102.220.161.86

🇺🇸 47.186.181.189

🇸🇬 47.79.207.113

🇧🇪 35.195.85.59

🇰🇷 221.156.126.1

🇭🇰 154.221.20.92

🇮🇳 152.32.156.138

🇺🇸 104.37.185.38

🇰🇪 102.208.164.250