IP Address: 220.77.107.61


Threat level: 0%
Attack count: 19
Country: South Korea
Region: Busan
City: Sasang-gu
ASN: 4766
ISP: Korea Telecom
Net Block: 220.77.44.0-220.77.175.255
Domain name: kt.com
Abuse contact: [email protected]
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Reported by
Timestamp
Notes
Flags
System
✅ 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
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
postfix
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-10-04 09:53:06.1484 Login failure: 220.77.107.61 SMTP
BruteForce, Hacking
SMTP
ipban 4.1.0 - LogonDenied
BruteForce
MSExchange
✅ Chris
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 4.1.0 - LogonDenied
BruteForce
MSExchange
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-09-19 00:44:19.7479 Login failure: 220.77.107.61 SMTP
BruteForce, Hacking
SMTP
ipban 4.1.0 - LogonDenied
BruteForce
MSExchangeLogs
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