IP Address: 220.80.223.144


Threat level: 47%
Attack count: 1218
Country: South Korea
Region: Jeju-do
City: Seogwipo-si
ASN: 4766
ISP: Korea Telecom
Net Block: 220.79.221.0-220.81.194.255
Domain name: kt.com
Abuse contact: [email protected]
Stats (UTC)

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Recent submissions


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Reported by
Timestamp
Notes
Flags
System
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-05-30 15:22:57.6156|WARN|Login failure: 220.80.223.144, , SMTP, 1,
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
tesi_postfix-auth
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-05-29 20:59:41.6019 Login failure: 220.80.223.144 SMTP
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipbanpro 5.0.0
BruteForce
IceWarp
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-05-27 12:52:40.3401 Login failure: 220.80.223.144 SMTP
BruteForce
SMTP
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
postfix
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-05-26 04:04:38.1519 Login failure: 220.80.223.144 SMTP
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-05-22 21:17:35.4512 Login failure: 220.80.223.144 SMTP 2
BruteForce
SMTP
fail2ban
BruteForce
tesi_postfix-auth
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-05-21 19:39:23.0675 Login failure: 220.80.223.144 SMTP 2
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ tuya
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Anonymous
SMTP attack detected. 2026-05-15 23:36:13.3735 Login failure: 220.80.223.144 SMTP
BruteForce
SMTP
ipbanpro 5.0.0
BruteForce
IceWarp
✅ Pr0vieH
fail2ban
BruteForce
SSH
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Anonymous
SMTP attack detected. 2026-05-14 11:10:52.3757 Login failure: 220.80.223.144 SMTP
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Anonymous
fail2ban
BruteForce
sshd
✅ Anonymous
fail2ban
BruteForce
sshd
fail2ban
BruteForce
tesi_postfix-auth
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
SMTP attack detected. 2026-05-13 00:15:26.0983 Login failure: 220.80.223.144 SMTP
BruteForce
SMTP
ipbanpro 5.0.0
BruteForce
IceWarp
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
✅ Anonymous
SMTP attack detected. 2026-05-11 03:41:23.8309 Login failure: 220.80.223.144 SMTP
BruteForce
SMTP
fail2ban
BruteForce
postfix
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 4.0.2 - Invalid user
BruteForce
SSH
fail2ban
BruteForce
tesi_postfix-auth
✅ Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Anonymous
fail2ban
BruteForce
sshd
✅ imcas
ipban 1.9.0 - Failed password
BruteForce
SSH
✅ Anonymous
fail2ban
BruteForce
sshd
✅ Gordon
ipban 2.0.0
BruteForce
SMTP
✅ Anonymous
fail2ban
BruteForce
sshd
fail2ban
BruteForce
postfix
✅ Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
fail2ban
BruteForce
postfix
✅ tuya
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
✅ Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
sshd
✅ Anonymous
fail2ban
BruteForce
sshd
fail2ban
BruteForce
tesi_postfix-auth
✅ Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
fail2ban
BruteForce
sshd
✅ Anonymous
ipban 1.9.0 - 5152
BruteForce
RDP
fail2ban
BruteForce
tesi_postfix-auth
✅ Skynet
ipban 2.0.0 - Disconnected from authenticating user
BruteForce
SSH
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Anonymous
fail2ban
BruteForce
sshd
✅ Anonymous
fail2ban
BruteForce
sshd
✅ Pr0vieH
fail2ban
BruteForce
SSH
fail2ban
BruteForce
postfix
✅ tuya
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
fail2ban
BruteForce
tesi_postfix-auth
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Boris
fail2ban
BruteForce
sshd
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Boris
fail2ban
BruteForce
sshd
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Anonymous
fail2ban
BruteForce
sshd
✅ Anonymous
fail2ban
BruteForce
sshd
✅ Anonymous
fail2ban
BruteForce
sshd
✅ Pr0vieH
fail2ban
BruteForce
SSH
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Skynet
ipban 2.0.0 - Disconnected from
BruteForce
SSH
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Boris
fail2ban
BruteForce
sshd
✅ Boris
fail2ban
BruteForce
sshd
✅ Anonymous
fail2ban
BruteForce
sshd
fail2ban
BruteForce
sshd
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Pr0vieH
fail2ban
BruteForce
SSH
✅ Pr0vieH
fail2ban
BruteForce
SSH
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
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