27.13.161.221
Neutral Activity
There is no recent abuse activity, or the IP address is whitelisted.
- ISP
- China Unicom Chongqing Province Network
- Usage Type
- Fixed Line ISP
- ASN
- AS4837
- Domain Name
- chinaunicom.cn
- Country
- 🇨🇳 China
- City
- Chongqing, Chongqing
No reports in the last 60 days
27.13.161.221 has been reported 30 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
30 from
23 distinct
reporters
First reported
Most recent report
| Reporter | IoA Timestamp (UTC) | Comment | Categories |
|---|---|---|---|
| 🇨🇦 bmcg |
2025-12-22 09:28:10 server smtpd[53010]: warning: unknown[27.13.161.221]:60542: SASL CRAM-MD5 authentication failed: (reason unavailable), sasl_username=mfp
|
Brute-Force | |
| 🇷🇴 clauss |
IP reached maximum auth failures for a one day block
|
Brute-Force | |
| 🇩🇪 Paul Smith |
Email Auth Brute force attack 1/1 in last day
|
Brute-Force | |
| 🇺🇦 MakselPr |
|
Brute-Force | |
| 🇭🇺 Lacika555 |
RdpGuard detected brute-force attempt on SMTP
|
Brute-Force | |
| Anonymous |
SMTP brute force - auth failed
|
Brute-Force Exploited Host | |
| 🇸🇪 triplecode |
Reported from hMailServer
|
Email Spam | |
| 🇮🇹 Progetto1 |
Mail - Multiple failed login attempts
|
Brute-Force Exploited Host | |
| 🇪🇸 didevi |
SPAM or Brute force attack detected
|
Email Spam Brute-Force | |
| 🇩🇪 Paul Smith |
Email Auth Brute force attack 1/1 in last day
|
Brute-Force | |
| 🇨🇿 lp |
Email account brute force: 1 attempts were recorded from 27.13.161.221
2025-12-22T20:12:54+01:00 warning: unknown[27.13.161.221]: SASL LOGIN authentication failed: authentication failure, [email protected]
|
Brute-Force | |
| 🇹🇷 rtbh.com.tr |
list.rtbh.com.tr report: tcp/0
|
Brute-Force | |
| 🇳🇱 big-cloud.nl |
Unauthorized SMTP connection attempt
|
Brute-Force | |
| 🇦🇺 weblite |
LONG_RUNNING SMTP_BRUTE_FORCE
|
Brute-Force | |
| 🇬🇧 gaztronics |
2025-12-22T09:39:40.372980 liberator sendmail[67075]: 5BM8dXN0067075: [27.13.161.221] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
...
|
Brute-Force |
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