76.171.9.18

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
87% Critical
15 reports
14 reporters · latest 1 hour ago
ISP
Charter Communications Inc
Usage Type
Fixed Line ISP
ASN
AS20001
Hostname(s)
syn-076-171-009-018.res.spectrum.com
Domain Name
charter.com
Country
🇺🇸 United States of America
City
Compton, California
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Abuse Reports

Total reports
15 from 14 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇩🇪 Germany 6 🇮🇹 Italy 3 🇫🇷 France 2
Most common categories Brute-Force 14 Open Proxy 2 Web App Attack 1 Hacking 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
🇺🇦 MakselPr
Brute-Force
Anonymous
2026-11-07T03:24:35.973036+02:00 soli-gate postfix/submissions/smtpd[754358]: warning: unknown[76.171.9.18]: SASL LOGIN authentication failed: authentication failure, [email protected] ...
Brute-Force
Anonymous
Nov 7 00:17:32 bka postfix/smtp/smtpd[987883]: warning: unknown[76.171.9.18]: SASL LOGIN authentication failed: (reason unavailable) ...
Brute-Force
🇳🇱 maxxsense
(postfix-unknown) Failed postfix unknown login with username [redacted] from 76.171.9.18 (US/United States/syn-076-171-009-018.res.spectrum.com)
Hacking
🇩🇪 dn-systems.net
Brute-Force
🇩🇪 DocNetzwerk
(smtpauth) Failed SMTP AUTH login from 76.171.9.18 (US/United States/syn-076-171-009-018.res.spectrum.com)
Brute-Force
🇩🇪 Paul Smith
Email Auth Brute force attack 1/1 in last day
Brute-Force
🇮🇹 CoreTech srl
Brute-Force Open Proxy
🇩🇪 juutis
Nov 6 16:37:04 butler postfix/smtpd[2309092]: warning: unknown[76.171.9.18]: SASL LOGIN authentication failed: authentication failure, sasl_username=support
Brute-Force
🇨🇿 lp
Email account brute force: 1 attempts were recorded from 76.171.9.18 2026-11-06T13:05:20+0100 warning: unknown[76.171.9.18]: SASL authentication failed
Brute-Force
🇫🇷 ingroscart.it
(smtpauth) Failed SMTP AUTH login from 76.171.9.18 (US/United States/California/Compton/syn-076-171-009-018.res.spectrum.com/[redacted])
Brute-Force
🇮🇹 CoreTech srl
Brute-Force Open Proxy
🇮🇹 VHosting
Detected mail brute force attack from different servers
Brute-Force
🇩🇪 ghostwarriors
Attempts against SMTP/SSMTP
Brute-Force Web App Attack
🇨🇭 Origon
Brute-Force

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