IP Address: 58.244.99.143

Threat level: 36%

Attack count: 15

Country: China

ASN: 4837

ISP: CHINA UNICOM China169 Backbone

Net Block: 58.244.0.0-58.245.255.255

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

15 hours ago

Real-time Intercept: SMTP attack. Reference: 2026-07-28 05:36:28.1470 Login failure: 58.244.99.143 SMTP

BruteForce, Hacking

SMTP

✅ ecl_gmbh

20 hours ago

ipban 3.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Chris

22 hours ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

22 hours ago

Real-time Intercept: SMTP attack. Reference: 2026-07-27 22:30:09.1910 Login failure: 58.244.99.143 SMTP

BruteForce, Hacking

SMTP

✅ Craig

yesterday

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Tim Walker

yesterday

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Anonymous

11 days ago

Real-time Intercept: SMTP attack. Reference: 2026-07-17 18:14:34.7754 Login failure: 58.244.99.143 SMTP

BruteForce, Hacking

SMTP