191.243.135.253

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
74% Elevated
21 reports
15 reporters · latest 4 hours ago
ISP
Infosuporte Tecnologia em Infomática Ltda.
Usage Type
Fixed Line ISP
ASN
AS263156
Domain Name
infosuporte.com.br
Country
🇧🇷 Brazil
City
Taquara, Rio Grande do Sul
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Abuse Reports

Total reports
21 from 15 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇺🇾 Uruguay 5 🇳🇱 Netherlands 4 🇩🇪 Germany 3
Most common categories Brute-Force 20 Exploited Host 1 Web App Attack 1
Recent reports We have received reports of abusive activity from this IP address within the last week. It is potentially still actively engaged in abusive activities.
Reporter IoA Timestamp (UTC) Comment Categories
Anonymous
Authentication failure
Brute-Force
Anonymous
Authentication failure
Brute-Force
Anonymous
Brute-Force
🇫🇷 Stara
Multiple failed email logins - brute force attack
Brute-Force
🇺🇦 vbios.com
MAIL_Brute-Force
Brute-Force
Anonymous
(imapd) Failed IMAP login from 191.243.135.253 (BR/Brazil/-)
Brute-Force
Anonymous
Authentication failure
Brute-Force
Anonymous
fail2ban: brute-force/credential spraying against mail (IMAP/POP/webmail) — rmnet.it
Brute-Force
🇯🇵 kawanchu
Brute-force attack via SMTP AUTH. Repeated login failures on mail server.
Brute-Force
Anonymous
Authentication failure
Brute-Force
🇮🇹 www.tana.it
dictionary attack
Brute-Force
Anonymous
Authentication failure
Brute-Force
🇩🇪 FeG Deutschland
Mail: - login with unknown user - bruteforce
Brute-Force
🇧🇷 ICS Labs
ICS Labs threat intelligence (ICS Feeds): Brute-Force, Exploited Host. Last observed 2026-10-29 UTC.
Brute-Force Exploited Host
Anonymous
6x Dovecot auth failed (on 6 different adresses)
Brute-Force

Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown

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