121.187.103.59
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
- Seoul, Seoul
No reports in the last 60 days
121.187.103.59 has been reported 43 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
43 from
19 distinct
reporters
First reported
Most recent report
| Reporter | IoA Timestamp (UTC) | Comment | Categories |
|---|---|---|---|
| 🇹🇷 rtbh.com.tr |
list.rtbh.com.tr report: tcp/23
|
Brute-Force | |
| 🇬🇧 Andrew |
Blocked by UFW (TCP on port 23).
Source port: 56390
TTL: 47
Packet length: 60
TOS: 0x00
This report (for 121.187.103.59) was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
|
Port Scan Hacking Brute-Force | |
| 🇹🇷 rtbh.com.tr |
list.rtbh.com.tr report: tcp/23
|
Brute-Force | |
| 🇺🇸 RAP |
2025-08-16 17:25:49 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | |
| 🇫🇷 security.rdmc.fr |
Port Scan Attack proto:TCP src:46611 dst:23
|
Port Scan | |
| 🇳🇱 Study Bitcoin 🤗 |
Port probe to tcp/23 (telnet)
[srv125]
|
Port Scan Hacking | |
| 🇺🇸 RAP |
2025-08-15 15:39:11 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | |
| 🇩🇪 Grizzlytools |
Kingcopy(AI-IDS)RouterOS: Portscanner detected.
|
Port Scan | |
| 🇹🇷 rtbh.com.tr |
list.rtbh.com.tr report: tcp/23
|
Brute-Force | |
| 🇫🇷 security.rdmc.fr |
Port Scan Attack proto:TCP src:32896 dst:23
|
Port Scan | |
| 🇹🇷 rtbh.com.tr |
list.rtbh.com.tr report: tcp/23
|
Brute-Force | |
| 🇮🇳 Parth Maniar |
This IP address carried out 4 port scanning attempts on 11-08-2025. For more information or to report interesting / incorrect findings, give me a shoutout @parthmaniar on Twitter.
|
Port Scan SSH | |
| 🇹🇷 rtbh.com.tr |
list.rtbh.com.tr report: tcp/23
|
Brute-Force | |
| 🇹🇷 rtbh.com.tr |
list.rtbh.com.tr report: tcp/23
|
Brute-Force | |
| Anonymous |
|
Port Scan Brute-Force |
Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown