58.115.14.253

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
100% Critical
54 reports
46 reporters · latest 14 minutes ago
ISP
KBT Co., LTD
Usage Type
Fixed Line ISP
ASN
AS38851
Domain Name
kbtelecom.net
Country
🇹🇼 Taiwan
City
Banqiao, Taipei
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Abuse Reports

Total reports
54 from 46 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇩🇪 Germany 9 🇳🇱 Netherlands 5 🇺🇸 United States of America 5
Most common categories Brute-Force 50 Email Spam 10 Hacking 6 Web App Attack 2 SSH 1
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
🇺🇸 [email protected]
Total attacks: 1
Brute-Force
🇺🇸 shaunc
Nov 8 23:51:27 mailman postfix/smtpd[4241]: warning: unknown[58.115.14.253]: SASL LOGIN authentication failed: authentication failure
Brute-Force
🇩🇪 yogi70
Multiple failed SMTP logins
Email Spam Brute-Force
🇺🇸 Zestysoft
2026-11-09T05:23:41.027436+00:00 mail dovecot: auth([email protected],58.115.14.253,sasl:login): passdb-default: unknown user (given password: 8#9Zestysoft) ...
Brute-Force
🇧🇬 sanitariu
Nov 9 07:23:00 dri postfix/smtpd[3870857]: warning: unknown[58.115.14.253]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=nasko ...
Brute-Force
🇫🇷 UM3
Exim Auth Failed
Brute-Force
Anonymous
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
Anonymous
bruteforce
Brute-Force
🇺🇸 xclmp
Detected repeated unauthorized authentication attempts against an email server, consistent with a brute-force attack. Observed at: 2026-11-09 03:12:11 UTC. Learn More: https://fia.project-furina.com/report/20978
Hacking Brute-Force
🇫🇮 singertc
Blocked by fail2ban on nospam4.singer-tc.de
Brute-Force Web App Attack
🇹🇷 ferique
Real-time Intercept: SMTP attack. Reference: 2026-11-09 04:44:59.1823 Login failure: 58.115.14.253 SMTP
Brute-Force Email Spam
Anonymous
Authentication failure
Brute-Force
🇷🇸 Smel
Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -
Email Spam Hacking Brute-Force
🇦🇺 electronico
Brute-Force Email Spam
🇳🇱 Slartibartfast
SMTP Brute Force
Brute-Force

Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown

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