39.106.143.20
Recent Activity
This IP has received recent abuse reports, which causes the score to increase.
- ISP
- Aliyun Computing Co., LTD
- Usage Type
- Data Center/Web Hosting/Transit
- ASN
- AS37963
- Domain Name
- alibabacloud.com
- Country
- 🇨🇳 China
- City
- Beijing, Beijing
Abuse Reports
Total reports
82 from
27 distinct
reporters
First reported
Most recent report
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 |
|---|---|---|---|
| 🇿🇦 maximonline.co.za |
Brute Force SMTP AUTH Attack
|
Brute-Force | |
| 🇦🇺 Bay13 |
CrowdSec:crowdsecurity/postfix-spam
|
Email Spam | |
| Anonymous |
Authentication failure
|
Brute-Force | |
| 🇨🇦 Mediashaker |
(smtpauth) Failed SMTP AUTH login from 39.106.143.20 (CN/China/-)
|
Brute-Force | |
| Anonymous |
postfix
|
Email Spam Web App Attack | |
| 🇩🇪 jasperedv.de |
Failed SMTP Login - Brutforcing
|
Email Spam Brute-Force | |
| 🇧🇷 ICS Labs |
ICS Labs threat intelligence (ICS Feeds): Brute-Force. Last observed 2026-10-25 UTC.
|
Brute-Force | |
| Anonymous |
$f2bV_matches
|
Brute-Force | |
| Anonymous |
Authentication failure
|
Brute-Force | |
| 🇭🇺 Lacika555 |
RdpGuard detected brute-force attempt on SMTP
|
Brute-Force | |
| 🇫🇷 UM3 |
Exim Auth Failed
|
Brute-Force | |
| 🇸🇰 KZP |
Automatic report from KZP firewall log.
|
Port Scan Hacking Brute-Force | |
| 🇸🇰 KZP |
RdpGuard detected brute-force attempt on SMTP
|
Brute-Force | |
| 🇫🇮 notelseit |
|
Brute-Force Email Spam | |
| 🇺🇸 lintelcorpo |
Yesterday, this IP was the source of 13 failed authentications targeting 10 unique usernames on our Mail Server at 216.21.193.119.
|
Brute-Force |
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