ABUSE.MOM
THREAT REPORT

IP Threat Report
31.56.58.172

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-10-25 18:30:52
First seen: 2026-09-01 21:14:47
Last seen: 2026-10-25 04:08:08
135

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 135/100. Total malicious requests observed: 9146.

BURSTDANGER_PATHRATIO_404REDIRECT_PROBEREFERERUA_CHANGED
01

Geolocation & Classification

IP Address
31.56.58.172
Type
VPN
Country
🇫🇷 France
City
Saint-Denis
ISP
Zkillu SAS
Organization
Zkillu SAS
Autonomous System
AS215599 Zkillu SAS
Hit Count
9146
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Burst 10/2sAbnormally fast request rate — automated scanning+35
Burst 13/10sAbnormally fast request rate — automated scanning+35
Burst 13/2sAbnormally fast request rate — automated scanning+35
Burst 14/10sAbnormally fast request rate — automated scanning+35
Burst 16/10sAbnormally fast request rate — automated scanning+35
Burst 18/10sAbnormally fast request rate — automated scanning+35
Burst 26/10sAbnormally fast request rate — automated scanning+35
Burst 5/2sAbnormally fast request rate — automated scanning+35
Burst 6/2sAbnormally fast request rate — automated scanning+35
Burst 7/2sAbnormally fast request rate — automated scanning+35
Burst 9/2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 3Medium-risk: admin panels, config files+30
Danger medium hits: 5Medium-risk: admin panels, config files+50
Danger strong hits: 2High-risk paths: shells, RCE vectors, exploits+50
Foreign refererReferer from unrelated external domain+10
Probe 302→404Behavioral anomaly detected by automated analysis+20
UA changedMultiple User-Agents — bot rotation technique+25
Σ = 610
03

Observed Activity

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

[redacted]
GET
/
200
[redacted]
GET
/page
200
Requests shown: 2 · HTTP 404: 0 · Dangerous patterns: 0

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

04

Timeline

2026-09-01 21:14:47
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio 40-60% (+15), 404 ratio >= 60% (+25), Burst 10/2s (+35)
2026-10-25 04:08:08
Last malicious request observed
Total score reached: 135/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Zkillu SAS
AS215599 · 🇫🇷 France

We have detected 28 malicious IPs from this autonomous system.

View all IPs from AS215599 →
06

Recommendations

Actions taken & recommended

  • IP 31.56.58.172 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 31.56.58.0/24
  • 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 31.56.58.172 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

🌊 Traffic Flood Defense

IP 31.56.58.172 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🤖 Bot Detection

Address UA spoofing from 31.56.58.172: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

07

Neighbors in 31.56.58.0/24

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

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

10

Threat Analysis

31.56.58.172 has been assigned a threat score of 135/100 (Critical). This places it in the critical threat category. Immediate blocking is strongly advised across all network perimeters.

The following attack categories were identified:

Path EnumerationRequest FloodingUser-Agent Anomaly

📊 Threat Analysis

Threat intelligence analysis has linked 31.56.58.172 to malicious activity originating from Saint-Denis, France, operating on the network of Zkillu SAS. The address has been under observation since its initial detection. Over a period of 53 days, this IP generated 9,146 malicious requests, averaging approximately 172.6 requests per day. 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. With 3 different attack patterns detected, this IP exhibits behavior characteristic of advanced automated scanning frameworks. Our records show 2,421 malicious IPs originating from France, positioning it as a major contributor to global threat activity. With a threat score of 135/100, this IP is among the most dangerous addresses in our database. Immediate and complete blocking is strongly recommended.

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 France

185.177.72.51 (348)185.177.72.52 (348)185.177.72.29 (348)185.177.72.16 (348)185.177.72.56 (348)View all →

🏢 Same network: AS215599

169.40.142.7 (255)169.40.142.177 (245)169.40.142.172 (240)31.56.58.165 (225)169.40.142.190 (225)View all →
12

Security Intelligence

💡 DDoS Mitigation Approaches

Distributed denial of service attacks overwhelm infrastructure with traffic volume. Effective mitigation combines always-on traffic scrubbing, anycast network distribution, rate limiting, and the ability to quickly scale absorption capacity during attacks.

💡 Bulletproof Hosting Ecosystem

Bulletproof hosting providers deliberately ignore abuse complaints, creating safe havens for malicious operations. These providers often operate in jurisdictions with weak cybercrime enforcement, offering services specifically marketed to criminal organizations.

🔍 Check Any IP Address

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