121.66.40.134

Activity Trending Down This IP hasn't received reports recently, which causes the score to decay.
Abuse Confidence Score
7% Caution
68 reports
40 reporters · latest 1 month ago
ISP
LG DACOM Corporation
Usage Type
Fixed Line ISP
ASN
AS3786
Domain Name
dacom.co.kr
Country
🇰🇷 Korea (the Republic of)
City
Seoul, Seoul
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Abuse Reports

Total reports
68 from 40 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇫🇮 Finland 1 🇫🇷 France 1 🇭🇰 Hong Kong 1
Most common categories Port Scan 2 Brute-Force 1 Web App Attack 1
Old reports The most recent abuse report for this IP address is from . It is possible that this IP is no longer involved in abusive activities.
Reporter IoA Timestamp (UTC) Comment Categories
🇫🇮 mikkopal88
TCP SYN port scan to HTTP 80-443-8080
Port Scan
🇭🇰 Anonymous
2026-09-19 15:12:54 warning[2470510]: host unknown[121.66.40.134]: unauthorized access attempted: tcp/8081
Port Scan Brute-Force
Anonymous
🔥 Web application attack detected. Vulnerability scanning and exploitation attempts identified.
Web App Attack
🇩🇪 iNetWorker
trying to access non-authorized port
Port Scan
🇨🇳 ThreatBook.io
ThreatBook Intelligence: Zombie,Dynamic IP more details on https://threatbook.io/ip/121.66.40.134
Brute-Force
🇩🇪 ps-center
C2-W: TCP-Scanner. Port: 22
Port Scan
🇩🇪 ipcop.net
Brute-Force
🇩🇪 ipcop.net
Brute-Force
🇩🇪 ipcop.net
Brute-Force
🇺🇸 cat
Jan 24 00:46:41 racknerd-18cc1e sshd[10267]: Failed password for root from 121.66.40.134 port 41102 ssh2 Jan 24 00:46:45 racknerd-18cc1e sshd[10267]: Failed password for root from 121.66.40.134 port 41102 ssh2
Brute-Force SSH
🇺🇸 sumnone
Port probing on unauthorized port 22
Port Scan Hacking Exploited Host
🇧🇪 sid3windr
sshd[3429]: Failed password for root from 121.66.40.134 port 59105 ssh2 sshd[3429]: Failed password for root from 121.66.40.134 port 59105 ssh2
Brute-Force SSH
🇩🇪 nicosqc
Invalid user sonja from 121.66.40.134 port 43370
Brute-Force SSH
🇩🇪 nicosqc
Invalid user sonja from 121.66.40.134 port 43370
Brute-Force SSH
🇩🇪 nicosqc
Invalid user sonja from 121.66.40.134 port 43370
Brute-Force SSH

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