121.131.93.21

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
100% Critical
92 reports
57 reporters · latest 3 minutes ago
ISP
Korea Telecom
Usage Type
Fixed Line ISP
ASN
AS4766
Domain Name
kt.com
Country
🇰🇷 Korea (the Republic of)
City
Seoul, Seoul
Log in to view charts and search reports for this IP. Log In
Example preview
Account required for the enhanced features Log in Sign up

Abuse Reports

Total reports
92 from 57 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇺🇸 United States of America 39 🇩🇪 Germany 14 🇫🇷 France 11
Most common categories Port Scan 66 Brute-Force 33 Hacking 26 IoT Targeted 15 SSH 8
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
🇺🇸 xmission.com
Blocked by UFW (TCP on 23) Source port: 55571 TTL: 51 Packet length: 40 TOS: 0x00 This report (for 121.131.93.21) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter
Port Scan Hacking Brute-Force
🇺🇸 RAP
2026-11-13 20:29:12 UTC Unauthorized activity to TCP port 23. Telnet
Port Scan
🇫🇷 EvoX
🛡️ Honeypot [bsts-tpot-hive]: Unauthorized connection attempt detected on 23/TELNET
Hacking Port Scan
🇺🇸 OceanTreasure
tcp/23; Legacy Telnet remote access probe @ 2026-11-13T17:49:02Z
IoT Targeted Port Scan
🇧🇷 aosafeshield
AOSafe Shield: connected to a honeypot port (TCP 23) that no legitimate service uses.
Port Scan Hacking
🇺🇸 xmission.com
Blocked by UFW (TCP on 23) Source port: 65329 TTL: 52 Packet length: 40 TOS: 0x00 This report (for 121.131.93.21) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter
Port Scan Hacking Brute-Force
🇺🇸 IndigoRidge
Knock-Knock TNET honeypot activity; time=2026-11-13 16:23:54; username=admin
Brute-Force
🇺🇸 RAP
2026-11-13 16:07:43 UTC Unauthorized activity to TCP port 23. Telnet
Port Scan
🇺🇸 MPL
tcp/23 (3 or more attempts)
Port Scan
🇫🇷 Hiigara
connection attempt : 121.131.93.21 on port : tcp/23 (Telnet)
Port Scan
🇺🇸 RAP
2026-11-13 12:59:07 UTC Unauthorized activity to TCP port 23. Telnet
Port Scan
🇺🇸 MPL
tcp/23
Port Scan
🇷🇺 Panamaaa
Port scan detected; Brute-force attack detected
Port Scan Brute-Force
🇺🇸 Vexedly
SSH brute-force against an SSH honeypot: 2 credential attempt(s) across 2 logged events. Automated report from a Cowrie sensor.
Brute-Force SSH
🇫🇷 security.rdmc.fr
Activity from blacklisted IP
Hacking

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

Recently Reported IPs:

🇨🇳 223.151.74.10
🇹🇼 198.235.24.41
🇬🇧 193.163.125.245
🇨🇱 190.8.112.58
🇮🇩 163.7.8.79
🇸🇬 103.187.147.214
🇺🇿 84.54.70.42
🇩🇪 23.132.164.185
🇨🇳 221.195.232.14
🇹🇳 196.234.162.14
🇬🇧 185.92.25.119
🇫🇷 176.128.233.128
🇮🇩 163.7.15.212
🇮🇩 163.7.12.91
🇸🇦 158.101.233.87
🇲🇾 110.159.42.157
🇧🇩 103.135.253.205
🇲🇲 103.83.188.7
🇸🇬 101.47.27.123
🇯🇵 101.33.55.204
feedback