IP Address: 183.31.11.139

Threat level: 24%

Attack count: 10

Country: China

Region: Guangdong

City: Huizhou

ASN: 4134

ISP: Chinanet

Net Block: 183.0.0.0-183.47.58.255

Domain name: chinatelecom.cn

Stats (UTC)

Reported by

Timestamp

Notes

Flags

System

✅ Anonymous

3 hours ago

Real-time Intercept: SMTP attack. Reference: 2026-05-20 17:20:57.0109 Login failure: 183.31.11.139 SMTP

BruteForce

SMTP

✅ tuya

18 hours ago

ipban 1.9.0 - Authentication failed

BruteForce

SmarterMail

19 hours ago

fail2ban

BruteForce

tesi_postfix-auth

✅ Chris

yesterday

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Arvoreen

2 days ago

fail2ban

BruteForce

postfix