187.109.166.140

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
36% Elevated
17 reports
16 reporters · latest 17 hours ago
ISP
ISUPER TELECOMUNICACOES INFO LTDA
Usage Type
Fixed Line ISP
ASN
AS263579
Domain Name
isuper.com.br
Country
🇧🇷 Brazil
City
Marialva, Parana
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Abuse Reports

Total reports
17 from 16 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇩🇪 Germany 1 🇫🇷 France 1 🇷🇸 Serbia 1
Most common categories Brute-Force 5 Email Spam 1 Hacking 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
🇺🇸 Wonderland
Nov 6 04:53:23 jabberwocky dovecot: imap-login: Disconnected (auth failed, 3 attempts in 16 secs): user=<c.debrou-humblot>, method=PLAIN, rip=187.109.166.140, lip=192.168.42.15, TLS, session=<btUHGJtf8dW7baaM> ...
Brute-Force
Anonymous
2026-11-06T14:07:06.852236+02:00 soli-gate cyrus/imaps[569188]: badlogin: 140.166.109.187.isuper.com.br [187.109.166.140] plaintext (c.porqiet) [SASL(-13): authentication failure: checkpass failed] ...
Brute-Force
🇹🇷 Jova
Repeated failed IMAP+SMTP logins to a mail account (credential guessing).
Brute-Force
🇷🇸 Smel
Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -
Email Spam Hacking Brute-Force
Anonymous
187.109.166.140 detected on srv01
Brute-Force
Anonymous
Failed login attempt detected by Fail2Ban in recidive jail
Brute-Force
🇷🇸 Smel
Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -
Email Spam Hacking Brute-Force
🇷🇴 INTEQ
Brute force attack from 187.109.166.140
Brute-Force
🇩🇪 Tamsy
SMTP - Brute-force attack
Brute-Force
Anonymous
Ports: 143,993; Direction: 0; Trigger: LF_IMAPD
Brute-Force SSH
Anonymous
(imapd) Failed IMAP login from 187.109.166.140 (BR/Brazil/140.166.109.187.isuper.com.br)
Brute-Force
🇳🇱 maxxsense
187.109.166.140 (BR/Brazil/140.166.109.187.isuper.com.br), 12 distributed imapd attacks on account [redacted]
Brute-Force
Anonymous
3 Login Attempts
Port Scan Brute-Force
🇬🇧 UKFast Security
Postfix: Illegal address from unknown sender
Hacking
🇲🇾 syokadmin
187.109.166.140 (BR/Brazil/140.166.109.187.isuper.com.br), 2 distributed smtpauth attacks on account [knot] in the last 3600 secs
Brute-Force

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