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

121.151.45.136

Recent Activity

Abuse Confidence Score

22% Elevated

12 reports

10 reporters · latest 5 days ago

ISP: Korea Telecom
Usage Type: Fixed Line ISP
ASN: AS4766
Domain Name: kt.com
Country: 🇰🇷 Korea (the Republic of)
City: Daegu, Daegu

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

12 from 10 distinct reporters

First reported

June 24th 2026

Most recent report

5 days ago

Last 60 days

Top reporter locations 🇺🇸 United States of America 4 🇩🇪 Germany 1 🇰🇷 Korea (the Republic of) 1

Most common categories SSH 6 Brute-Force 5 Bad Web Bot 1 Port Scan 1 Web App Attack 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
🇵🇱 lns.bz	2026-11-03 19:38:17 UTC · (5 days ago)	SSH bruteforce [BY]	SSH
🇰🇷 2048	2026-09-30 02:53:47 UTC · (1 month ago)	SSH credential brute-force observed by honeypot. Source IP: 121.151.45.136 Targeted device: Ubuntu server First seen: 30 Sep 2026 02:53:47 UTC Last seen: 30 Sep 2026 02:53:47 UTC Attempts: 1 Client: SSH-2.0-Go Sample credentials: admin:1234	Brute-Force SSH
🇺🇸 bigscoots.com	2026-09-25 02:48:16 UTC · (1 month ago)	121.151.45.136 (KR/South Korea/-), 5 distributed sshd attacks on account [user] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Sep 24 21:39:09 21154 sshd[27621]: Invalid user user from 179.163.236.222 port 42671 Sep 24 2 ... show more 121.151.45.136 (KR/South Korea/-), 5 distributed sshd attacks on account [user] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Sep 24 21:39:09 21154 sshd[27621]: Invalid user user from 179.163.236.222 port 42671 Sep 24 21:43:36 21154 sshd[28945]: Invalid user user from 121.151.45.136 port 49398 Sep 24 21:43:38 21154 sshd[28945]: Failed password for invalid user user from 121.151.45.136 port 49398 ssh2 Sep 24 21:48:06 21154 sshd[30552]: Invalid user user from 211.228.249.140 port 49270 Sep 24 21:39:12 21154 sshd[27621]: Failed password for invalid user user from 179.163.236.222 port 42671 ssh2 IP Addresses Blocked: 179.163.236.222 (BR/Brazil/179-163-236-222.user.vivozap.com.br) show less	Brute-Force SSH
🇺🇸 Loris007	2026-09-25 02:01:50 UTC · (1 month ago)	Fail2Ban (SSH (Real sshd service, no honeypot!)) detected attack from 121.151.45.136	Port Scan Brute-Force SSH
🇩🇪 MusicLibrary	2026-09-23 03:57:15 UTC · (1 month ago)	Probing foreign-stack admin panels / known exploit paths (Joomla, phpMyAdmin, phpunit, OWA, etc.)	Bad Web Bot Web App Attack
🇺🇸 Like Ma	2026-09-15 02:00:20 UTC · (1 month ago)	Sep 14 22:00:15 newage sshd[21899]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.151.45.136 Sep 14 22:00:17 newage sshd[21899]: Failed password for invalid user Admin from 121.151.45.136 port 49748 ssh2 ... show more Sep 14 22:00:15 newage sshd[21899]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.151.45.136 Sep 14 22:00:17 newage sshd[21899]: Failed password for invalid user Admin from 121.151.45.136 port 49748 ssh2 ... show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-09-12 20:19:21 UTC · (1 month ago)	121.151.45.136 (KR/South Korea/-), 5 distributed sshd attacks on account [admin] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Sep 12 15:19:00 14967 sshd[19205]: Invalid user admin from 121.151.45.136 port 47126 Sep 12 ... show more 121.151.45.136 (KR/South Korea/-), 5 distributed sshd attacks on account [admin] in the last 3600 secs; Ports: ; Direction: 1; Trigger: LF_DISTATTACK; Logs: Sep 12 15:19:00 14967 sshd[19205]: Invalid user admin from 121.151.45.136 port 47126 Sep 12 15:04:08 14967 sshd[17552]: Invalid user admin from 217.212.218.86 port 41558 Sep 12 15:04:10 14967 sshd[17552]: Failed password for invalid user admin from 217.212.218.86 port 41558 ssh2 Sep 12 15:14:05 14967 sshd[18724]: Invalid user admin from 31.208.54.211 port 49894 Sep 12 15:14:08 14967 sshd[18724]: Failed password for invalid user admin from 31.208.54.211 port 49894 ssh2 IP Addresses Blocked: show less	Brute-Force SSH
🇮🇹 Progetto1	2026-08-27 00:49:04 UTC · (2 months ago)	Mail - Multiple failed login attempts	Brute-Force Exploited Host
🇨🇦 DRI	2026-08-26 09:15:39 UTC · (2 months ago)	Web attack/Malicious activity detected	Web App Attack
🇨🇦 DRI	2026-08-23 02:20:08 UTC · (2 months ago)	Web attack/Malicious activity detected	Web App Attack
🇩🇪 EGP Abuse Dept	2026-08-21 04:19:14 UTC · (2 months ago)	Scanning for web/db/file exploits on kuiperbv.nl	SQL Injection Bad Web Bot Web App Attack
Anonymous	2026-06-24 04:30:35 UTC · (4 months ago)	Failed login attempt detected by Fail2Ban in plesk-postfix jail	Brute-Force

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

Recently Reported IPs:

🇳🇱 195.178.110.30

🇸🇬 192.161.165.251

🇳🇱 89.248.165.203

🇳🇱 86.38.187.101

🇸🇬 85.203.23.18

🇺🇸 66.132.195.164

🇺🇸 57.141.20.59

🇭🇰 49.213.6.30

🇩🇪 23.132.164.122

🇺🇸 3.131.220.121

🇨🇦 216.26.239.179

🇨🇦 208.69.79.160

🇮🇹 185.162.118.8

🇫🇮 147.185.133.120

🇺🇸 134.209.123.71

🇸🇬 124.156.205.181

🇷🇴 92.118.39.71

🇺🇸 66.132.224.17

🇺🇸 24.252.227.81

🇺🇸 2604:a880:400:d1:0:5:5f95:e001