119.51.245.231

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
100% Critical
126 reports
103 reporters · latest 7 minutes ago
ISP
China Unicom Jilin province network
Usage Type
Fixed Line ISP
ASN
AS4837
Domain Name
chinaunicom.cn
Country
🇨🇳 China
City
Changchun, Jilin
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Abuse Reports

Total reports
126 from 103 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇩🇪 Germany 29 🇬🇧 United Kingdom of Great Britain and Northern Ireland 10 🇺🇸 United States of America 10
Most common categories Brute-Force 108 Email Spam 18 Port Scan 14 Hacking 9 SSH 6
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
🇸🇪 triplecode
Reported from hMailServer
Email Spam
🇬🇧 eXcalibre
Nov 11 07:27:05 webserver postfix/smtpd[2473332]: warning: unknown[119.51.245.231]: SASL LOGIN authentication failed: authentication failure, sasl_username=<redacted> ...
Hacking
Anonymous
2026-11-11T08:07:57.160851+01:00 mail.pikosolution.it postfix/smtpd[1614686]: warning: unknown[119.51.245.231]: SASL LOGIN authentication failed: authentication failure, [email protected] ...
Brute-Force
🇺🇦 MakselPr
Brute-Force
Anonymous
Blocked by ModSec and CSF
Port Scan
🇩🇪 DAUGDE
Email Spam Spoofing Brute-Force
🇭🇺 Lacika555
RdpGuard detected brute-force attempt on SMTP
Brute-Force
🇩🇪 EGP Abuse Dept
SMTP AUTH attack
Brute-Force
🇩🇪 vcis.de
SMTP brute force attack detected from [119.51.245.231]
Brute-Force
🇪🇸 librebit
Attack to Postfix SASL, bad guys
Brute-Force
🇹🇭 thaizone.com
Password guessing attack (SM11) #1
Email Spam Brute-Force
🇫🇮 inlink.ltd
SMTP AUTH attack
Brute-Force
🇧🇷 gilneysoares
Agion SOC: password spray / legacy auth (BAV2ROPC) against Microsoft 365 tenant
Brute-Force Email Spam
🇬🇧 openstrike.co.uk
Email auth failures (4)
Brute-Force
🇩🇪 Paul Smith
Email Auth Brute force attack 4/4 in last day
Brute-Force

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