IP Address: 110.81.20.56

Threat level: 60%

Attack count: 16

Country: China

Region: Fujian

City: Quanzhou

ASN: 4134

ISP: Chinanet

Net Block: 110.80.144.0-110.81.151.255

Domain name: chinatelecom.cn

Stats (UTC)

Reported by

Timestamp

Notes

Flags

System

✅ Anonymous

3 hours ago

Real-time Intercept: SMTP attack. Reference: 2026-09-28 08:35:16.2185 Login failure: 110.81.20.56 SMTP

BruteForce, Hacking

SMTP

✅ Gordon

9 hours ago

ipban 2.0.0

BruteForce

SMTP

✅ Tim Walker

11 hours ago

ipban 4.1.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Chris

15 hours ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

18 hours ago

fail2ban

BruteForce

tesi_postfix-auth