211.252.161.21
Neutral Activity
There is no recent abuse activity, or the IP address is whitelisted.
- ISP
- Korea Telecom
- Usage Type
- Fixed Line ISP
- ASN
- AS4766
- Domain Name
- kt.com
- Country
- 🇰🇷 Korea (the Republic of)
- City
- Andong, Gyeongsangbuk-do
No reports in the last 60 days
211.252.161.21 has been reported 432 times. The most recent report is from .
The full history is preserved below and remains searchable. A 0% score reflects the absence of recent activity, but this is not a guarantee that earlier reports were invalid. Abuse confidence score decays, naturally, over time, when the abusive activity stops.
Abuse Reports
Total reports
432 from
74 distinct
reporters
First reported
Most recent report
| Reporter | IoA Timestamp (UTC) | Comment | Categories |
|---|---|---|---|
| 🇨🇳 ThreatBook.io |
ThreatBook Intelligence: Zombie more details on http://threatbook.io/ip/211.252.161.21
|
SSH | |
| 🇦🇹 urnilxfgbez |
Last 24 Hours suspicious: (DPT=445|DPT=3389|DPT=22|DPT=3306|DPT=8080|DPT=23|DPT=5900|DPT=1433)
|
Port Scan | |
| 🇹🇷 rtbh.com.tr |
list.rtbh.com.tr report: tcp/23
|
Brute-Force | |
| 🇺🇸 RAP |
2025-08-14 19:47:10 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | |
| 🇫🇷 Hiigara |
connection attempt : 211.252.161.21 on port : tcp/23 (Telnet)
|
Port Scan | |
| 🇩🇪 Admins@FBN |
FW-PortScan: Traffic Blocked srcport=61545 dstport=23
|
Port Scan | |
| 🇺🇸 MPL |
tcp/23 (2 or more attempts)
|
Port Scan | |
| 🇹🇷 rtbh.com.tr |
list.rtbh.com.tr report: tcp/23
|
Brute-Force | |
| 🇨🇦 Largnet SOC |
211.252.161.21 triggered Icarus honeypot on port 23. Check us out on github.
|
Port Scan Hacking | |
| 🇺🇸 RAP |
2025-08-14 13:38:17 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | |
| 🇩🇪 Ad0lar |
ports, 23/24H:1/7D:2
|
Port Scan | |
| 🇺🇸 RAP |
2025-08-14 09:30:05 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | |
| 🇹🇷 rtbh.com.tr |
list.rtbh.com.tr report: tcp/23
|
Brute-Force | |
| 🇺🇸 RAP |
2025-08-14 06:32:48 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | |
| 🇸🇬 webnestify |
[Webnestify Honeypot - Singapore] Unauthorized connection attempt on port 23.
|
Port Scan Hacking Brute-Force |
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