IP Address: 61.84.11.172


Threat level: 14%
Attack count: 16
Country: South Korea
Region: Gyeonggi-do
City: Hwaseong-si
ASN: 4766
ISP: Korea Telecom
Net Block: 61.83.240.0-61.84.94.255
Domain name: kt.com
Abuse contact: [email protected]
Stats (UTC)

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Reported by
Timestamp
Notes
Flags
System
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
tesi_postfix-auth
✅ 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: 2026-09-01 10:11:34.2082 Login failure: 61.84.11.172 SMTP
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
ipban 4.1.0 - LogonDenied
BruteForce
MSExchange
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
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