123.121.140.72
Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse confidence score ?
88% Critical
18 reports
17 reporters · latest 4 hours ago
ISP China Unicom Beijing province network
Usage Type Fixed Line ISP
ASN AS4808
Domain Name chinaunicom.cn
Country 🇨🇳 China
City Beijing, Beijing

ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

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IP Abuse Reports for 123.121.140.72

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This IP address has been reported a total of 18 times from 17 distinct sources. 123.121.140.72 was first reported on , and the most recent report was . In the last 60 days, the top reporter locations were: Germany with 4 reports; United States of America with 4 reports; Australia with 2 reports. The most common categories in these recent reports were: Brute-Force 10 times; Port Scan 5 times; Hacking 4 times; Email Spam 4 times; DDoS Attack 2 times; Other 2 times.

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Reporter IoA Timestamp (UTC) Comment Categories
🇺🇸 hablaxdev
Email Spam Hacking Brute-Force
🇵🇱 MatStef132
MatShield L7: blocked on test-clean.mathost.eu (sec-ch-ua-grease-mismatch)
DDoS Attack
Anonymous
SMTP open-relay probe
Email Spam Hacking
Anonymous
Brute-Force
🇦🇺 FireGuard Server
Blocked by os-abuseipdb; 7 hits, proto=tcp, ports=143
Port Scan Hacking
🇩🇪 Packets-Decreaser.NET
Incoming Layer 4 Connection Flood Detected
DDoS Attack
🇦🇺 electronico
Brute-Force Email Spam
Anonymous
SMTP brute force - auth failed
Brute-Force Exploited Host
🇩🇪 moosy
Brute-Force
🇩🇪 eposs-it.de
Blocked by os-abuseipdb; 5 hits, proto=tcp, ports=25
Port Scan Hacking
🇩🇪 LRob
Spam delivery attempts
Email Spam
🇺🇸 mnogoweb
Port Scan
Anonymous
2026-10-23 07:50:16,097 fail2ban.actions [493826]: NOTICE [dovecot] Ban 123.121.140.72 ...
Port Scan Brute-Force
Anonymous
Brute-Force
🇿🇦 maximonline.co.za
Brute Force SMTP AUTH Attack
Brute-Force

Showing 1 to 15 of 18 reports

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