IP Address: 189.20.181.138


Threat level: 35%
Attack count: 452
Country: Brazil
ASN: 10429
ISP: TELEFONICA BRASIL S.A
Net Block: 189.20.0.0-189.20.255.255
Domain name: telefonica.com.br (www.telefonica.com.br)
Stats (UTC)

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Recent submissions


« ‹ 0 1 2 › »
Reported by
Timestamp
Notes
Flags
System
8 hours ago
fail2ban
BruteForce
tesi_postfix-auth
14 hours ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
yesterday
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
3 days ago
fail2ban
BruteForce
postfix
3 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Gordon
4 days ago
ipban 2.0.0
BruteForce
SMTP
✅ Craig
7 days ago
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
7 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
7 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
7 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
8 days ago
ipban 2.0.0
BruteForce
SMTP
8 days ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Chris
9 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
9 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
10 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
11 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
11 days ago
ipban 2.0.0
BruteForce
SMTP
11 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
12 days ago
fail2ban
BruteForce
postfix
13 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
14 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
14 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
15 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
15 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
15 days ago
fail2ban
BruteForce
tesi_postfix-auth
16 days ago
fail2ban
BruteForce
postfix
✅ Chris
16 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
17 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
18 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
19 days ago
Real-time Intercept: SMTP attack. Reference: 2026-06-25 07:10:57.9852 Login failure: 189.20.181.138 SMTP
BruteForce, Hacking
SMTP
19 days ago
fail2ban
BruteForce
postfix
✅ tuya
21 days ago
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
✅ Anonymous
21 days ago
Real-time Intercept: SMTP attack. Reference: 2026-06-23 03:28:11.9996 Login failure: 189.20.181.138 SMTP
BruteForce, Hacking
SMTP
✅ Craig
21 days ago
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
21 days ago
Real-time Intercept: SMTP attack. Reference: 2026-06-23 01:22:23.0799 Login failure: 189.20.181.138 SMTP
BruteForce, Hacking
SMTP
22 days ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Anonymous
23 days ago
Real-time Intercept: SMTP attack. Reference: 2026-06-21 21:15:59.6814 Login failure: 189.20.181.138 SMTP
BruteForce, Hacking
SMTP
✅ Chris
23 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
23 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
24 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
24 days ago
Real-time Intercept: SMTP attack. Reference: 2026-06-20 04:36:30.6489 Login failure: 189.20.181.138 SMTP
BruteForce, Hacking
SMTP
✅ Anonymous
26 days ago
Real-time Intercept: SMTP attack. Reference: 2026-06-18 11:54:41.3685 Login failure: 189.20.181.138 SMTP
BruteForce, Hacking
SMTP
27 days ago
fail2ban
BruteForce
postfix
✅ Chris
27 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
27 days ago
ipban 2.0.0
BruteForce
SMTP
27 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Anonymous
27 days ago
Real-time Intercept: SMTP attack. Reference: 2026-06-17 05:56:09.8949 Login failure: 189.20.181.138 SMTP
BruteForce, Hacking
SMTP
✅ Chris
28 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
29 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
29 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
one month ago
ipban 2.0.0
BruteForce
SMTP
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Craig
one month ago
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
one month ago
fail2ban
BruteForce
postfix
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Anonymous
one month ago
Real-time Intercept: SMTP attack. Reference: 2026-06-04 14:05:22.4953 Login failure: 189.20.181.138 SMTP
BruteForce, Hacking
SMTP
✅ Gordon
one month ago
ipban 2.0.0
BruteForce
SMTP
one month ago
ipbanpro 5.0.0
BruteForce
IceWarp
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
ipbanpro 5.0.0
BruteForce
IceWarp
✅ Anonymous
one month ago
Real-time Intercept: SMTP attack. Reference: 2026-05-29 10:42:36.0523 Login failure: 189.20.181.138 SMTP
BruteForce
SMTP
one month ago
ipbanpro 5.0.0
BruteForce
IceWarp
one month ago
fail2ban
BruteForce
postfix
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
fail2ban
BruteForce
tesi_postfix-auth
✅ tuya
one month ago
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
✅ Craig
one month ago
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
one month ago
Real-time Intercept: SMTP attack. Reference: 2026-05-24 07:05:12.1458 Login failure: 189.20.181.138 SMTP
BruteForce
SMTP
✅ Anonymous
one month ago
Real-time Intercept: SMTP attack. Reference: 2026-05-22 20:09:56.5344 Login failure: 189.20.181.138 SMTP
BruteForce
SMTP
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
one month ago
Real-time Intercept: SMTP attack. Reference: 2026-05-21 11:51:04.3322 Login failure: 189.20.181.138 SMTP
BruteForce
SMTP
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
fail2ban
BruteForce
postfix
✅ Anonymous
one month ago
Real-time Intercept: SMTP attack. Reference: 2026-05-18 03:55:38.5430 Login failure: 189.20.181.138 SMTP
BruteForce
SMTP
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
2 months ago
SMTP attack detected. 2026-05-16 16:36:20.1953 Login failure: 189.20.181.138 SMTP
BruteForce
SMTP
✅ Anonymous
2 months ago
fail2ban
BruteForce, Hacking, PortScan
postfix
✅ Anonymous
2 months ago
SMTP attack detected. 2026-05-14 16:44:41.5701 Login failure: 189.20.181.138 SMTP
BruteForce
SMTP
✅ Chris
2 months ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
2 months ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
2 months ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Anonymous
2 months ago
SMTP attack detected. 2026-05-11 09:29:16.0901 Login failure: 189.20.181.138 SMTP
BruteForce
SMTP
✅ Craig
2 months ago
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
2 months ago
ipban 2.0.0
BruteForce
SMTP
2 months ago
fail2ban
BruteForce
postfix
2 months ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
2 months ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
« ‹ 0 1 2 › »
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