IP Address: 211.55.101.32


Threat level: 2%
Attack count: 42
Country: South Korea
Region: Gyeonggi-do
City: Icheon-si
ASN: 4766
ISP: Korea Telecom
Net Block: 211.55.54.0-211.55.255.255
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
✅ Chris
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
postfix
✅ Chris
ipban 4.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 4.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
ipban 4.1.0 - LogonDenied
BruteForce
MSExchange
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
postfix
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-10-04 18:05:51.2425 Login failure: 211.55.101.32 SMTP 2
BruteForce, Hacking
SMTP
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
✅ 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
MSExchange
ipban 4.1.0 - LogonDenied
BruteForce
MSExchange
ipban 4.1.0 - LogonDenied
BruteForce
MSExchange
✅ Anonymous
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 4.1.0 - LogonDenied
BruteForce
MSExchange
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