211.57.158.91
Recent Activity
This IP has received recent abuse reports, which causes the score to increase.
- ISP
- Korea Telecom
- Usage Type
- Fixed Line ISP
- ASN
- AS4766
- Domain Name
- kt.com
- Country
- 🇰🇷 Korea (the Republic of)
- City
- Yeongju, Gyeongsangbuk-do
Abuse Reports
Total reports
27 from
20 distinct
reporters
First reported
Most recent report
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 |
|---|---|---|---|
| 🇧🇷 ICS Labs |
ICS Labs threat intelligence (ICS Feeds): Hacking. Last observed 2026-11-12 UTC.
|
Hacking | |
| 🇺🇸 xmission.com |
Blocked by UFW (TCP on 23)
Source port: 42705
TTL: 51
Packet length: 40
TOS: 0x00
This report (for 211.57.158.91) was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
|
Port Scan Hacking Brute-Force | |
| 🇹🇼 kk_it_man |
honey catch
|
Port Scan | |
| 🇺🇸 RAP |
2026-11-12 09:41:15 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | |
| 🇺🇸 xmission.com |
Blocked by UFW (TCP on 23)
Source port: 37778
TTL: 51
Packet length: 40
TOS: 0x00
This report (for 211.57.158.91) was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
|
Port Scan Hacking Brute-Force | |
| 🇺🇸 HamSammich |
Automated sensor: 81 telnet brute-force attempts over the last 24h (latest 2026-11-12T05:40Z).
|
Brute-Force IoT Targeted | |
| 🇺🇸 mibbsdevs |
(ric-sv) CoffeePot: Connection attempt detected on closed service bait ports (22/23/3306/3389/5432).
|
Port Scan | |
| 🇩🇪 KPS |
Portscan-N
|
Port Scan | |
| 🇧🇾 stroytrest |
2026-11-12T07:31:42.401655+03:00 gate kernel: [3520192.287392] nftables: JAIL-TELNET IN=wan OUT= MAC= SRC=211.57.158.91 DST=xxx.xxx.xxx.xxx LEN=40 TOS=0x00 PREC=0x00 TTL=50 ID=47257 PROTO=TCP SPT=47727 DPT=23 WINDOW=3048 RES=0x00 SYN URGP=0
...
|
Port Scan | |
| 🇺🇸 ShadowWhisperer |
botnet node - mirai (Mirai-family shell-verification handshake) [handshake, mirai, worm]
|
Brute-Force IoT Targeted | |
| 🇳🇱 Tsumugi Kotobuki |
Telnet Brute-Force | Events: 1 | Ports: 23/Telnet | Auth: password(1x) | F2B/telnet-honeypot-bruteforce@2026-11-12T03:29:58Z
|
Brute-Force | |
| 🇺🇸 Cyber Crusader |
Hundreds of Attempts (at least) to Connect to and Access Firewall Ports
|
Port Scan Hacking Brute-Force | |
| 🇺🇸 RAP |
2026-11-12 01:03:48 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | |
| 🇫🇷 Kejult |
Honeypot Finding: repeated TCP service probing on TCP/23 (Telnet); 2 application-level events across 2 source port(s). Sensor(s): Cowrie.
|
Port Scan | |
| 🇦🇹 urnilxfgbez |
Last 24 Hours suspicious: (DPT=445|DPT=3389|DPT=22|DPT=3306|DPT=8080|DPT=23|DPT=5900|DPT=1433)
|
Port Scan |
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