191.53.216.59
Neutral Activity
There is no recent abuse activity, or the IP address is whitelisted.
- ISP
- MASTER S/A
- Usage Type
- Fixed Line ISP
- ASN
- AS28202
- Hostname(s)
- 191-53-216-59.dvl-wr.mastercabo.com.br
- Domain Name
- mastercabo.com.br
- Country
- 🇧🇷 Brazil
- City
- Taubate, Sao Paulo
No reports in the last 60 days
191.53.216.59 has been reported 24 times. The most recent report is from .
The full history is preserved below and remains searchable. A 0% score reflects the absence of recent activity, but this is not a guarantee that earlier reports were invalid. Abuse confidence score decays, naturally, over time, when the abusive activity stops.
Abuse Reports
Total reports
24 from
23 distinct
reporters
First reported
Most recent report
| Reporter | IoA Timestamp (UTC) | Comment | Categories |
|---|---|---|---|
| 🇪🇸 Gem |
Attempted SMTP or POP3 login with wrong credentials. 4 times
|
Brute-Force | |
| 🇩🇪 Paul Smith |
Email Auth Brute force attack 1/1 in last day
|
Brute-Force | |
| 🇪🇸 librebit |
Attack to Postfix SASL, bad guys
|
Brute-Force | |
| Anonymous |
Failed login attempt detected by Fail2Ban in plesk-postfix jail
|
Brute-Force | |
| 🇦🇹 AustrianSimon |
21 Apr 2026 15:44:02UTC:Distributed Brute Force Password Attack (smtp, ftp, imap, pop, ssh) including ip address 191.53.216.59
|
Brute-Force | |
| 🇧🇷 KingHost |
|
Brute-Force | |
| 🇮🇹 www.tana.it |
SMTP auth dictionary attack
|
Brute-Force | |
| 🇫🇷 solution.it |
|
Brute-Force | |
| 🇩🇪 Paul Smith |
Email Auth Brute force attack 1/1 in last day
|
Brute-Force | |
| 🇵🇱 maciejka |
2026-04-21 15:28:30 login_server authenticator failed for ([80.223.163.253]) [191.53.216.59]: 535 Incorrect authentication data (set_id=postmaster)
...
|
Brute-Force | |
| 🇩🇪 EGP Abuse Dept |
SMTP AUTH attack
|
Brute-Force | |
| 🇬🇧 D3monite |
Attempted Brute Force (dovecot)
|
Brute-Force | |
| 🇳🇱 big-cloud.nl |
Unauthorized SMTP connection attempt
|
Brute-Force | |
| Anonymous |
SMTP brute force - auth failed
|
Brute-Force Exploited Host | |
| 🇩🇪 chris_yooo |
|
Spoofing Brute-Force |
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