IP Address: 123.13.70.83

Threat level: 6%

Attack count: 19

Country: China

ASN: 4837

ISP: CHINA UNICOM China169 Backbone

Net Block: 123.4.0.0-123.15.255.255

Domain name: chinaunicom.cn

Stats (UTC)

Reported by

Timestamp

Notes

Flags

System

✅ Gordon

7 days ago

ipban 2.0.0

BruteForce

SMTP

9 days ago

fail2ban

BruteForce

tesi_postfix-auth

✅ Craig

9 days ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Arvoreen

9 days ago

fail2ban

BruteForce

postfix

✅ Anonymous

10 days ago

ipbanpro 5.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

10 days ago

Real-time Intercept: SMTP attack. Reference: 2026-07-16 04:10:13.1590 Login failure: 123.13.70.83 SMTP

BruteForce, Hacking

SMTP