IP Address: 121.66.124.149


Threat level: 0%
Attack count: 43
Country: South Korea
Region: Gyeonggi-do
City: Anseong
ASN: 3786
ISP: LG DACOM Corporation
Net Block: 121.66.0.0-121.67.38.255
Domain name: uplus.co.kr (www.uplus.co.kr)
Stats (UTC)

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Recent submissions


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
✅ Anonymous
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
ipban 2.0.1
BruteForce
SSH
fail2ban
BruteForce
postfix
fail2ban
BruteForce
tesi_postfix-auth
✅ dszubov
SSH honeypot interactive session completed
Hacking, BadBot
HAProxy
✅ Anonymous
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
ipban 3.0.0 - Connection closed
BruteForce
SSH
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-07-15 07:00:14.3199 Login failure: 121.66.124.149 SMTP
BruteForce, Hacking
SMTP
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
postfix
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
fail2ban
BruteForce
tesi_postfix-auth
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-05-22 11:47:39.9627 Login failure: 121.66.124.149 SMTP
BruteForce
SMTP
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-05-21 00:22:45.3024 Login failure: 121.66.124.149 SMTP
BruteForce
SMTP
✅ Anonymous
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
SMTP attack detected. 2026-05-15 04:51:14.8942 Login failure: 121.66.124.149 SMTP
BruteForce
SMTP
✅ Anonymous
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
✅ Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
postfix
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
postfix
fail2ban
BruteForce
postfix
ipban 2.0.1 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
ipban 3.0.0 - Failed password
BruteForce
SSH
✅ Anonymous
ipban 3.0.0 - Failed password
BruteForce
SSH
fail2ban
BruteForce
postfix
✅ Chris
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
postfix
ipbanpro 4.1.0
BruteForce
MailEnable
ipbanpro 4.1.0
BruteForce
MailEnable
✅ imcas
ipban 1.9.0 - Did not receive identification string
BruteForce
SSH
ipbanpro 4.0.0
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 2.0.1 - Invalid Username or Password
BruteForce
MailEnable
✅ tuya
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
ipban 1.9.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
sshd
ipbanpro 3.4.0
BruteForce
MailEnable
✅ tuya
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
ipbanpro 3.4.0 - ipban failed login
BruteForce
✅ Fnthst
ipban 2.0.0
BruteForce
hMailServer
✅ Anonymous
ipbanpro 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
ipbanpro 3.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Fnthst
ipban 2.0.0
BruteForce
hMailServer
✅ Anonymous
ipbanpro 3.0.0 - Unable to log on
BruteForce
MailEnable
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
ipban 1.9.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Anonymous
ipban 1.8.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Anonymous
ipbanpro 2.5.0 - Unable to log on
BruteForce
MailEnable
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
ipban 1.8.0 - LogonDenied
BruteForce
MSExchange
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
✅ Fnthst
ipban 1.9.0
BruteForce
hMailServer
ipban 1.8.0 - LogonDenied
BruteForce
MSExchange
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