123.121.131.83
Recent Activity
This IP has received recent abuse reports, which causes the score to increase.
- ISP
- China Unicom Beijing province network
- Usage Type
- Fixed Line ISP
- ASN
- AS4808
- Domain Name
- chinaunicom.cn
- Country
- 🇨🇳 China
- City
- Beijing, Beijing
Abuse Reports
Total reports
16 from
13 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 |
|---|---|---|---|
| Anonymous |
Port scan and brute force attack
|
Port Scan Brute-Force | |
| 🇫🇷 GabrielJST |
*Port Scan* detected from 123.121.131.83 (CN/China/-).
|
Port Scan | |
| 🇿🇦 maximonline.co.za |
Brute Force SMTP AUTH Attack
|
Brute-Force | |
| 🇬🇧 killian7603 |
Malicious activity
|
Email Spam Spoofing Brute-Force | |
| 🇭🇺 Lacika555 |
RdpGuard detected brute-force attempt on SMTP
|
Brute-Force | |
| Anonymous |
Failed login attempt detected by Fail2Ban in plesk-postfix jail
|
Brute-Force | |
| Anonymous |
SMTP open-relay probe
|
Email Spam Hacking | |
| 🇮🇩 xveil |
2026-11-12T22:35:21.004073 mail-honeypot postfix/submission/smtpd[415]: warning: unknown[123.121.131.83]: SASL PLAIN authentication failed: authentication failure
...
|
Brute-Force | |
| 🇦🇹 AustrianSimon |
12 Nov 2026 14:19:55UTC:Distributed Brute Force Password Attack (smtp, ftp, imap, pop, ssh) including ip address 123.121.131.83
|
Brute-Force | |
| 🇩🇪 CK_beats |
Blocked by os-abuseipdb on OPNsense firewall KN-FW01; 7 hits, proto=tcp, ports=25
|
Port Scan Brute-Force | |
| Anonymous |
Port scan and brute force attack
|
Port Scan Brute-Force | |
| 🇨🇿 unhfree.net |
|
Brute-Force Exploited Host | |
| Anonymous |
SMTP open-relay probe
|
Email Spam Hacking | |
| 🇮🇩 xveil |
2026-11-11T22:24:53.331322 mail-honeypot postfix/submission/smtpd[11002]: warning: unknown[123.121.131.83]: SASL PLAIN authentication failed: authentication failure
...
|
Brute-Force | |
| 🇹🇷 Jova |
Part of a distributed password attack on a mail account (SMTP logins from many IPs).
|
Brute-Force |
Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown