IP Address: 112.163.143.204


Threat level: 2%
Attack count: 57
Country: South Korea
Region: Gyeongsangnam-do
City: Geoje-si
ASN: 4766
ISP: Korea Telecom
Net Block: 112.162.8.0-112.166.142.255
Domain name: kt.com
Abuse contact: [email protected]
Stats (UTC)

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Recent submissions


Reported by
Timestamp
Notes
Flags
System
✅ Chris
ipban 4.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
postfix
ipban 2.0.1 - Invalid Username or Password
BruteForce
MailEnable
ipban 4.1.0 - LogonDenied
BruteForce
MSExchange
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-10-16 12:14:43.8243 Login failure: 112.163.143.204 SMTP
BruteForce, Hacking
SMTP
✅ Chris
ipban 4.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-10-16 01:40:38.3167 Login failure: 112.163.143.204 SMTP
BruteForce, Hacking
SMTP
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
tesi_postfix-auth
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-10-10 07:39:51.3976 Login failure: 112.163.143.204 SMTP
BruteForce, Hacking
SMTP
✅ Anonymous
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 4.1.0 - LogonDenied
BruteForce
MSExchange
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-10-05 15:42:03.6322 Login failure: 112.163.143.204 SMTP
BruteForce, Hacking
SMTP
ipban 4.1.0 - LogonDenied
BruteForce
MSExchange
ipban 4.1.0 - LogonDenied
BruteForce
MSExchange
fail2ban
BruteForce
tesi_postfix-auth
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 4.1.0 - LogonDenied
BruteForce
MSExchange
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
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