IP Address: 123.13.67.136

Threat level: 5%

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

Abuse contact: [email protected]

Stats (UTC)

Last 60 Minutes
Last 24 Hours
Last 30 days
Last 12 months

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Recent submissions

Reported by

Timestamp

Notes

Flags

System

✅ Anonymous

6 days ago

Real-time Intercept: SMTP attack. Reference: 2026-07-09 23:17:58.4415 Login failure: 123.13.67.136 SMTP

BruteForce, Hacking

SMTP

✅ Arvoreen

6 days ago

fail2ban

BruteForce

postfix

✅ Shawn

7 days ago

ipban 1.8.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Arvoreen

8 days ago

fail2ban

BruteForce

postfix

✅ Tesi Supporto

8 days ago

fail2ban

BruteForce

tesi_postfix-auth

✅ Tim Walker

8 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Craig

8 days ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Chris

8 days ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

9 days ago

ipbanpro 5.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Chris

9 days ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

9 days ago

Real-time Intercept: SMTP attack. Reference: 2026-07-07 16:32:35.6152 Login failure: 123.13.67.136 SMTP

BruteForce, Hacking

SMTP