ABUSE.MOM
THREAT REPORT

IP Threat Report
5.83.191.220

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-10-26 09:51:16
First seen: 2026-10-22 01:04:10
Last seen: 2026-10-25 04:04:17
75

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 75/100. Total malicious requests observed: 81.

DANGER_PATHRATIO_404REFERER
01

Geolocation & Classification

IP Address
5.83.191.220
Type
Residential
Country
🇩🇪 Germany
City
Ballrechten-Dottingen
ISP
Stiegeler Internet Service GmbH
Organization
Stiegeler Internet Service GmbH
Autonomous System
AS200924 Stiegeler Internet Service GmbH
Hit Count
81
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Danger strong hits: 2High-risk paths: shells, RCE vectors, exploits+50
Foreign refererReferer from unrelated external domain+10
Σ = 75
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

2026-10-22 01:04:10
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio 40-60% (+15), Danger strong hits: 2 (+50), Foreign referer (+10)
2026-10-25 04:04:17
Last malicious request observed
Total score reached: 75/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Stiegeler Internet Service GmbH
AS200924 · 🇩🇪 Germany

We have detected 2 malicious IPs from this autonomous system.

View all IPs from AS200924 →
06

Recommendations

Actions taken & recommended

  • IP 5.83.191.220 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • 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 5.83.191.220 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

09

Blacklist Status (DNSBL)

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

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

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

10

Threat Analysis

5.83.191.220 has been assigned a threat score of 75/100 (High). This classifies it as a high-severity threat. Proactive blocking is recommended for sensitive infrastructure.

The following attack categories were identified:

Path Enumeration

📊 Threat Analysis

The address 5.83.191.220 originates from Ballrechten-Dottingen, Germany, operating on the network of Stiegeler Internet Service GmbH. It was identified through automated analysis of incoming network traffic across monitored endpoints. During its 3-day observation window, we recorded 81 hostile requests from this IP — roughly 27 per day on average. Operating from a residential network, this IP may represent a compromised home gateway or IoT device that has been drafted into a larger attack infrastructure. The IP exhibits directory enumeration behavior, systematically requesting non-existent paths to discover hidden files and misconfigured resources. With 3,645 flagged addresses, Germany represents a major presence in our threat database. At 75/100, this IP warrants immediate defensive action.

This IP is classified as residential, suggesting it may belong to a compromised home device, IoT botnet member, or an infected personal computer. Residential IPs involved in attacks often indicate malware infection without the owner's knowledge.

11

Related Threats

🇩🇪 Top threats from Germany

64.89.163.182 (340)45.86.202.216 (340)15.220.152.241 (320)35.246.204.221 (320)159.100.30.125 (318)View all →

🏢 Same network: AS200924

185.27.212.31 (60)View all →
12

Security Intelligence

💡 Server-Side Request Forgery (SSRF)

SSRF attacks trick servers into making requests to internal resources that should not be publicly accessible. This can expose cloud metadata endpoints, internal APIs, and private network services, potentially leading to full infrastructure compromise.

💡 Subdomain Takeover Vulnerabilities

Subdomain takeover occurs when DNS records point to decommissioned services. Attackers claim the abandoned resource and serve content under the trusted domain, enabling cookie theft, phishing, and reputation damage.

🔍 Check Any IP Address

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