IP Address: 120.87.50.5

Threat level: 58%

Attack count: 28

Country: China

ASN: 17816

ISP: China Unicom IP network China169 Guangdong province

Net Block: 120.87.14.0-120.87.255.255

Domain name: chinaunicom.cn

Abuse contact: [email protected]

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Last 24 Hours
Last 30 days
Last 12 months

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Recent submissions

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Timestamp

Notes

Flags

System

✅ Craig

2 days ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Arvoreen

2 days ago

fail2ban

BruteForce

postfix

✅ Anonymous

2 days ago

Real-time Intercept: SMTP attack. Reference: 2026-05-21 05:54:00.8475 Login failure: 120.87.50.5 SMTP

BruteForce

SMTP

✅ Anonymous

2 days ago

Real-time Intercept: SMTP attack. Reference: 2026-05-20 21:21:48.1186 Login failure: 120.87.50.5 SMTP

BruteForce

SMTP

✅ Gordon

2 days ago

ipban 2.0.0

BruteForce

SMTP

✅ tuya

4 days ago

ipban 1.9.0 - Authentication failed

BruteForce

SmarterMail

✅ Anonymous

4 days ago

ipbanpro 5.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Tesi Supporto

4 days ago

fail2ban

BruteForce

tesi_postfix-auth