IP Address: 221.199.172.66


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Recent submissions


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Reported by
Timestamp
Notes
Flags
System
Anonymous
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
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
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
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
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
Gordon
ipban 2.0.0
BruteForce
SMTP
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
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
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
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
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Anonymous
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Gordon
ipban 2.0.0
BruteForce
SMTP
Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
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
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
postfix
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Anonymous
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
Gordon
ipban 2.0.0
BruteForce
SMTP
fail2ban
BruteForce
postfix
Gordon
ipban 2.0.0
BruteForce
SMTP
Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Anonymous
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-20 17:04:51.5798 Login failure: 221.199.172.66 SMTP
BruteForce, Hacking
SMTP
tuya
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-18 19:18:06.7517 Login failure: 221.199.172.66 SMTP
BruteForce, Hacking
SMTP
Gordon
ipban 2.0.0
BruteForce
SMTP
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
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
fail2ban
BruteForce
tesi_postfix-auth
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
Gordon
ipban 2.0.0
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban persistent attacker 120+ days of recurring abuse
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
tesi_postfix-auth
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-04 20:30:40.7835 Login failure: 221.199.172.66 SMTP
BruteForce, Hacking
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
postfix
ipbanpro 5.0.0
BruteForce
IceWarp
Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-05-29 20:29:37.7656 Login failure: 221.199.172.66 SMTP
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
tesi_postfix-auth
fail2ban
BruteForce
postfix
ipbanpro 5.0.0
BruteForce
IceWarp
Gordon
ipban 2.0.0
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-05-22 13:46:05.7220 Login failure: 221.199.172.66 SMTP
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-05-21 10:54:47.3062 Login failure: 221.199.172.66 SMTP
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
tesi_postfix-auth
tuya
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Gordon
ipban 2.0.0
BruteForce
SMTP
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