190.166.12.21
Neutral Activity
There is no recent abuse activity, or the IP address is whitelisted.
- ISP
- Compañía Dominicana de Teléfonos S. A.
- Usage Type
- Fixed Line ISP
- ASN
- AS6400
- Hostname(s)
- 21.12.166.190.f.sta.codetel.net.do
- Domain Name
- codetel.net.do
- Country
- 🇩🇴 Dominican Republic
- City
- Santo Domingo Oeste, Santo Domingo Province
No reports in the last 60 days
190.166.12.21 has been reported 39 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
39 from
32 distinct
reporters
First reported
Most recent report
| Reporter | IoA Timestamp (UTC) | Comment | Categories |
|---|---|---|---|
| 🇨🇦 bmcg |
2025-12-01 13:18:25 server smtpd[2447]: warning: unknown[190.166.12.21]:38565: SASL CRAM-MD5 authentication failed: (reason unavailable), sasl_username=mfp
|
Brute-Force | |
| Anonymous |
Failed login attempt detected by Fail2Ban in plesk-postfix jail
|
Brute-Force | |
| 🇩🇪 Paul Smith |
Email Auth Brute force attack 3/2 in last day
|
Brute-Force | |
| 🇫🇷 GabrielJST |
(smtpauth) Failed SMTP AUTH login from 190.166.12.21 (DO/Dominican Republic/21.12.166.190.f.sta.codetel.net.do)
|
Brute-Force | |
| 🇮🇹 www.tana.it |
SMTP auth dictionary attack
|
Brute-Force | |
| 🇦🇺 aglenday |
|
Port Scan | |
| 🇵🇱 Robert robert |
SASL LOGIN authentication failed
|
Email Spam | |
| Anonymous |
bruteforce
|
Brute-Force | |
| Anonymous |
SMTP brute force - auth failed
|
Brute-Force Exploited Host | |
| 🇸🇪 triplecode |
Reported from hMailServer
|
Hacking | |
| 🇩🇪 ut-addicted.com |
Dec 3 20:23:56 www postfix/smtpd\[32520\]: lost connection after AUTH from unknown\[190.166.12.21\]
|
Hacking Brute-Force | |
| 🇩🇪 kreativstrecke |
|
Brute-Force | |
| 🇳🇱 big-cloud.nl |
Unauthorized SMTP connection attempt
|
Brute-Force | |
| Anonymous |
SMTP brute force - auth failed
|
Brute-Force Exploited Host | |
| 🇹🇷 rtbh.com.tr |
list.rtbh.com.tr report: tcp/0
|
Brute-Force |
Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown