ABUSE.MOM
THREAT REPORT

IP Threat Report
45.3.43.181

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-09-16 01:24:51
First seen: 2026-09-12 09:11:20
Last seen: 2026-09-13 01:17:16
85

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 85/100. Total malicious requests observed: 21.

DANGER_PATHRATIO_404REFERER
01

Geolocation & Classification

IP Address
45.3.43.181
Type
VPN
Country
🇩🇪 Germany
City
Berlin
ISP
3xK Tech GmbH
Organization
3xK Tech GmbH
Autonomous System
AS200373 3xK Tech GmbH
Hit Count
21
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Danger medium hits: 1Medium-risk: admin panels, config files+10
Danger strong hits: 2High-risk paths: shells, RCE vectors, exploits+50
Foreign refererReferer from unrelated external domain+10
Σ = 85
03

Observed Activity

Reconstructed HTTP requests from server access logs. Target domains redacted for security.

[redacted]
GET
/
200
Requests shown: 1 · HTTP 404: 0 · Dangerous patterns: 0

* Typical request patterns for detected signatures. Actual target domains are redacted.

04

Timeline

2026-09-12 09:11:20
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio 40-60% (+15), Danger medium hits: 1 (+10), Danger strong hits: 2 (+50)
2026-09-13 01:17:16
Last malicious request observed
Total score reached: 85/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

3xK Tech GmbH
AS200373 · 🇩🇪 Germany
06

Recommendations

Actions taken & recommended

  • IP 45.3.43.181 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • Other malicious IPs detected in the same /24 subnet — consider blocking 45.3.43.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🔎 Directory Scan Defense

IP 45.3.43.181 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

07

Neighbors in 45.3.43.0/24

Other blocked IPs from the same /24 subnet — indicates systematic abuse from this network range.

09

Blacklist Status (DNSBL)

This IP was checked against major DNS-based blacklists used by mail servers and firewalls worldwide.

✓ Clean
cbl.abuseat.org
✓ Clean
psbl.surriel.com
✓ Clean
bl.blocklist.de
✓ Clean
zen.spamhaus.org
✓ Clean
spam.dnsbl.sorbs.net
✓ Clean
dnsbl.dronebl.org
✓ Clean
b.barracudacentral.org

Checked: Spamhaus, SpamCop, Barracuda, SORBS, CBL, UCEProtect. Results may change over time.

10

Threat Analysis

45.3.43.181 has been assigned a threat score of 85/100 (Critical). This represents a critical risk level. Our detection systems have flagged multiple high-confidence indicators of malicious intent from this address.

The following attack categories were identified:

Path Enumeration

📊 Threat Analysis

IP address 45.3.43.181 has been traced to Berlin, Germany, operating on the network of 3xK Tech GmbH. Our threat detection systems have flagged this address based on observed malicious behavior patterns. During its 1-day observation window, we recorded 21 hostile requests from this IP — roughly 21 per day on average. This IP is identified as a VPN or proxy endpoint, commonly used to mask the true origin of attack traffic and bypass geographic or reputation-based blocking. The IP exhibits directory enumeration behavior, systematically requesting non-existent paths to discover hidden files and misconfigured resources. Our records show 133 malicious IPs originating from Germany, positioning it as a significant contributor to global threat activity. At 85/100, this IP warrants immediate defensive action.

This IP is associated with a VPN or proxy service. Attackers frequently route their traffic through anonymizing services to obscure their true location. This makes attribution more challenging but the malicious behavior patterns remain detectable.

11

Related Threats

🇩🇪 Top threats from Germany

15.220.152.241 (320)35.246.204.221 (320)159.100.30.125 (318)185.168.29.98 (313)77.81.65.244 (313)View all →

🏢 Same network: AS200373

195.63.20.148 (213)195.63.24.1 (213)65.111.6.126 (185)65.111.11.242 (185)45.3.41.207 (185)View all →
12

Security Intelligence

💡 Directory Traversal Attacks

Path traversal attacks attempt to access files outside the intended directory by manipulating file path references. Attackers use sequences like ../ to reach sensitive system files such as /etc/passwd or application configuration files.

💡 Behavioral Analysis vs Signature Detection

Signature-based detection matches known attack patterns but misses novel threats. Behavioral analysis identifies anomalies in request patterns, timing, and volume, catching zero-day attacks that signatures cannot recognize.

🔍 Check Any IP Address

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