139.99.87.251
Neutral Activity
There is no recent abuse activity, or the IP address is whitelisted.
- ISP
- OVH
- Usage Type
- Data Center/Web Hosting/Transit
- ASN
- AS16276
- Hostname(s)
- ip251.ip-139-99-87.net
- Domain Name
- ovh.net
- Country
- 🇸🇬 Singapore
- City
- Singapore
No reports in the last 60 days
139.99.87.251 has been reported 11 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
11 from
11 distinct
reporters
First reported
Most recent report
| Reporter | IoA Timestamp (UTC) | Comment | Categories |
|---|---|---|---|
| Anonymous |
SMTP brute force - auth failed
|
Brute-Force Exploited Host | |
| Anonymous |
6x Postfix SASL LOGIN authentication failed
|
Brute-Force | |
| Anonymous |
postfix-sasl
|
Brute-Force | |
| 🇩🇪 John Chrys. |
Oct 11 13:32:35 diego postfix/smtpd[796805]: warning: ip251.ip-139-99-87.net[139.99.87.251]: SASL LOGIN authentication failed: authentication failure
...
|
Email Spam Brute-Force | |
| Anonymous |
BruteForce IMAP/POP3/SMTP
|
Brute-Force | |
| Anonymous |
Ports: 25,2525,110,143,993,995; Direction: 0; Trigger: LF_CUSTOMTRIGGER
|
Brute-Force SSH | |
| Anonymous |
Unauthorized connection attempt
|
Port Scan Hacking Exploited Host | |
| 🇧🇷 KingHost |
|
Brute-Force | |
| 🇫🇷 basing |
2025-10-10 03:41:36 pzb SASL PLAIN auth failed: rhost=139.99.87.251...
|
Brute-Force | |
| 🇯🇵 Netgnome |
SMTP/25 Login, Unrecognized authentication type
|
Brute-Force | |
| 🇮🇹 VHosting |
Detected mail brute force attack from 4 different servers
|
Brute-Force |
Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown