IP Address: 123.13.71.242

Threat level: 0%

Attack count: 20

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]

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Last 30 days
Last 12 months

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Recent submissions

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Timestamp

Notes

Flags

System

✅ Pedro Johansson

13 days ago

ipbanpro 5.0.0

BruteForce

IceWarp

✅ Tesi Supporto

13 days ago

fail2ban

BruteForce

tesi_postfix-auth

✅ Anonymous

13 days ago

Real-time Intercept: SMTP attack. Reference: 2026-05-31 10:07:11.5202 Login failure: 123.13.71.242 SMTP

BruteForce, Hacking

SMTP

✅ Craig

14 days ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ tuya

15 days ago

ipban 1.9.0 - Authentication failed

BruteForce

SmarterMail

✅ Anonymous

16 days ago

Real-time Intercept: SMTP attack. Reference: 2026-05-29 08:59:03.8531 Login failure: 123.13.71.242 SMTP

BruteForce

SMTP

✅ Anonymous

16 days ago

ipbanpro 5.0.0 - Invalid Username or Password

BruteForce

MailEnable