123.13.71.126

Neutral Activity There is no recent abuse activity, or the IP address is whitelisted.
Abuse Confidence Score
0% Low Risk
50 reports
33 reporters · latest 9 months ago
ISP
China Unicom Henan province network
Usage Type
Fixed Line ISP
ASN
AS4837
Domain Name
chinaunicom.cn
Country
🇨🇳 China
City
Zhengzhou, Henan
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No reports in the last 60 days

123.13.71.126 has been reported 50 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
50 from 33 distinct reporters
First reported
Most recent report
Reporter IoA Timestamp (UTC) Comment Categories
🇹🇷 rtbh.com.tr
list.rtbh.com.tr report: tcp/0
Brute-Force
Anonymous
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
🇩🇪 kreativstrecke
Brute-Force
Anonymous
SMTP brute force - auth failed
Brute-Force Exploited Host
🇩🇪 Paul Smith
Email Auth Brute force attack 9/9 in last day
Brute-Force
🇮🇹 main.ows
Feb 1 06:19:32 main postfix/smtpd[630918]: warning: unknown[123.13.71.126]: SASL LOGIN authentication failed: authentication failure, sasl_username=postmaster ...
Phishing Email Spam
🇬🇧 stom
2026-02-01T04:58:32.414118ls1.tom2.co.uk postfix/smtps/smtpd[2356]: warning: unknown[123.13.71.126]: SASL LOGIN authentication failed: authentication failure ...
Email Spam Brute-Force
🇪🇸 librebit
Brute force
Brute-Force
🇫🇷 solution.it
Brute-Force
🇩🇪 itak
SMTP SASL Brute-Force Attack
Port Scan Hacking Brute-Force
🇵🇱 UMP-PL
SMTP bruteforce
Brute-Force
🇮🇩 xveil
2026-02-01T01:08:51.565867 mail-honeypot postfix/submission/smtpd[14471]: warning: unknown[123.13.71.126]: SASL LOGIN authentication failed: authentication failure ...
Brute-Force
🇺🇸 chrisj
Brute-Force
Anonymous
$f2bV_matches
Email Spam Brute-Force
🇵🇭 marklozada88
SASL LOGIN authentication failed:
Brute-Force

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