IP Address: 39.76.131.92

Threat level: 0%

Attack count: 20

Country: China

Region: Shandong

City: Linyi

ASN: 4837

ISP: CHINA UNICOM China169 Backbone

Net Block: 39.64.0.0-39.95.255.255

Domain name: chinaunicom.cn

Abuse contact: [email protected]

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Last 12 months

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Timestamp

Notes

Flags

System

✅ Arvoreen

14 days ago

fail2ban

BruteForce

postfix

✅ Craig

15 days ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Arvoreen

15 days ago

fail2ban

BruteForce

postfix

✅ Gordon

16 days ago

ipban 2.0.0

BruteForce

SMTP

✅ Anonymous

16 days ago

Real-time Intercept: SMTP attack. Reference: 2026-06-21 10:40:44.4647 Login failure: 39.76.131.92 SMTP

BruteForce, Hacking

SMTP

✅ Tim Walker

22 days ago

ipban 1.8.0 - LogonDenied

BruteForce

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