IP Address: 125.139.87.30


Threat level: 29%
Attack count: 403
Country: South Korea
Region: Jeollabuk-do
City: Jeonju
ASN: 4766
ISP: Korea Telecom
Net Block: 125.139.17.0-125.142.120.255
Domain name: kt.com
Abuse contact: [email protected]
Stats (UTC)

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Recent submissions


« ‹ 0 1 › »
Reported by
Timestamp
Notes
Flags
System
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Anonymous
ipban 1.9.0 - 5152
BruteForce
RDP
✅ 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
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-08-08 19:49:44.0539 Login failure: 125.139.87.30 SMTP
BruteForce, Hacking
SMTP
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ 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
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
postfix
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
postfix
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
fail2ban
BruteForce
tesi_postfix-auth
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
postfix
fail2ban
BruteForce
tesi_postfix-auth
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-29 22:57:15.7070 Login failure: 125.139.87.30 SMTP
BruteForce, Hacking
SMTP
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
fail2ban
BruteForce
postfix
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ tuya
ipban 4.0.0 - Authentication failed
BruteForce
SmarterMail
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
postfix
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-23 19:48:55.9134 Login failure: 125.139.87.30 SMTP
BruteForce, Hacking
SMTP
✅ 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
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-21 04:28:25.3748 Login failure: 125.139.87.30 SMTP
BruteForce, Hacking
SMTP
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-20 13:34:09.8794 Login failure: 125.139.87.30 SMTP
BruteForce, Hacking
SMTP
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-18 19:22:37.3025 Login failure: 125.139.87.30 SMTP
BruteForce, Hacking
SMTP
✅ Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
postfix
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-16 18:00:20.9649 Login failure: 125.139.87.30 SMTP
BruteForce, Hacking
SMTP
✅ tuya
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
fail2ban
BruteForce
postfix
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-05 23:27:19.2550 Login failure: 125.139.87.30 SMTP
BruteForce, Hacking
SMTP
« ‹ 0 1 › »
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