171.251.238.139

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
34% Elevated
25 reports
21 reporters · latest 21 hours ago
ISP
Viettel Group
Usage Type
Fixed Line ISP
ASN
AS7552
Domain Name
viettel.com.vn
Country
🇻🇳 Viet Nam
City
Pleiku, Gia Lai
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Abuse Reports

Total reports
25 from 21 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇺🇸 United States of America 3 🇩🇪 Germany 2 🇨🇭 Switzerland 1
Most common categories Bad Web Bot 5 DDoS Attack 4 Exploited Host 2 Web App Attack 1
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
🇨🇭 ALPHANET
Botnet or web spider not respecting robots.txt
DDoS Attack Exploited Host
🇩🇪 LRob
DDoS Attack Bad Web Bot
🇫🇷 bigorre.org
Unidentified crawling: not a self-announced bot in user-agent
Bad Web Bot
🇺🇸 pixelmemory.us
2026-10-26T07:11:13 171.251.238.139 GET /Photos/Work/Skybox%20Imaging/2013-04-09%20Tennis/IMG_4823.CR2 Mozilla/5.0 (X11; Linux x86_64; rv:125.0) Gecko/20100101 Firefox/125.0 ...
Bad Web Bot
🇺🇸 1gz
Bad Web Bot
🇺🇸 SX Communications
HTTP application-layer DoS / botnet traffic from 171.251.238.139: repeated high-cost dynamic page and feed requests (profile/tag views, forums, tracker, RSS) at abusive rates via completed TCP/HTTPS. Likely compromised end-user host.
DDoS Attack Bad Web Bot Exploited Host
🇩🇪 LRob
Shop search flood (L7 DDoS) | path: /113-bons-plans-electrique | query: q=Taille-XS/Ann%C3%A9e-2025 | src_port: 7233
DDoS Attack Web App Attack
🇫🇷 bigorre.org
Unidentified crawling: not a self-announced bot in user-agent
Bad Web Bot
🇺🇸 MPL
tcp/443 (10 or more attempts)
Port Scan
🇺🇸 MPL
tcp/443 (42 or more attempts)
Port Scan
🇧🇷 SOC Blue Team
IPs get by Hunting on SIEM
Phishing Web Spam Port Scan Hacking
🇫🇷 oonux.net
RouterOS: Scanning detected TCP 171.251.238.139:6190 > x.x.x.x:23
Port Scan
🇺🇸 RAP
2026-01-22 12:31:28 UTC Unauthorized activity to TCP port 23. Telnet
Port Scan
Anonymous
Unauthorized connection attempt on Port 23
Port Scan Hacking Exploited Host
Anonymous
Unauthorized connection attempt
Port Scan Hacking Exploited Host

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