IP Address: 139.212.17.68


Threat level: 10%
Attack count: 15
Country: China
ASN: 4837
ISP: CHINA UNICOM China169 Backbone
Net Block: 139.208.0.0-139.215.255.255
Domain name: chinaunicom.cn
Abuse contact: [email protected]
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Timestamp
Notes
Flags
System
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-09-18 06:17:42.1243 Login failure: 139.212.17.68 SMTP
BruteForce, Hacking
SMTP
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