IP Address: 139.55.21.87


Threat level: 49%
Attack count: 29
Country: United States
Region: Mississippi
City: Mount Olive
ASN: 7029
ISP: WINDSTREAM
Net Block: 139.55.0.0-139.55.255.255
Domain name: windstream.net
Abuse contact: [email protected]
Stats (UTC)

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Recent submissions


Reported by
Timestamp
Notes
Flags
System
an hour ago
fail2ban
BruteForce
postfix
yesterday
fail2ban
BruteForce
tesi_postfix-auth
✅ tuya
2 days ago
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
✅ Craig
2 days ago
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
2 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
2 days ago
ipban 2.0.0
BruteForce
SMTP
✅ Anonymous
3 days ago
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
3 days ago
Real-time Intercept: SMTP attack. Reference: 2026-06-21 18:28:42.0221 Login failure: 139.55.21.87 SMTP
BruteForce, Hacking
SMTP
7 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
8 days ago
fail2ban
BruteForce
postfix
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