ABUSE.MOM
THREAT REPORT

IP Threat Report
168.90.37.213

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-10-26 15:51:25
First seen: 2026-09-25 14:04:39
Last seen: 2026-09-27 01:36:33
60

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 60/100. Total malicious requests observed: 55.

DANGER_PATHRATIO_404REFERER
01

Geolocation & Classification

IP Address
168.90.37.213
Type
Residential
Country
🇧🇷 Brazil
City
Quedas do Iguaçu
ISP
Comfibra - Provedor De Telec. Ltda - M
Organization
Comfibra - Provedor De Telec. Ltda - M
Autonomous System
AS264236 COMFIBRA - PROVEDOR DE TELEC. LTDA - M
Hit Count
55
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Danger strong hits: 1High-risk paths: shells, RCE vectors, exploits+25
Foreign refererReferer from unrelated external domain+10
Σ = 60
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

2026-09-25 14:04:39
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio >= 60% (+25), Danger strong hits: 1 (+25), Foreign referer (+10)
2026-09-27 01:36:33
Last malicious request observed
Total score reached: 60/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Comfibra - Provedor De Telec. Ltda - M
AS264236 · 🇧🇷 Brazil
06

Recommendations

Actions taken & recommended

  • IP 168.90.37.213 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

🔎 Path Enumeration Protection

Block scanning from 168.90.37.213: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

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

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

10

Threat Analysis

168.90.37.213 has been assigned a threat score of 60/100 (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 168.90.37.213 originates from Quedas do Iguaçu, Brazil, operating on the network of Comfibra - Provedor De Telec. Ltda - M. It was identified through automated analysis of incoming network traffic across monitored endpoints. Our sensors captured 55 malicious requests from this address across a 1-day span, reflecting a sustained attack cadence of ~55 requests per day. 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. Active path scanning has been detected — this IP probes for hundreds of common file and directory names. Our records show 2,193 malicious IPs originating from Brazil, positioning it as a major contributor to global threat activity. At 60/100, this IP presents a meaningful threat. Implement rate limiting with escalation to blocking.

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 Brazil

34.95.200.255 (320)107.149.152.45 (308)34.95.148.192 (298)35.247.218.13 (298)35.247.222.75 (295)View all →

🏢 Same network: AS264236

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.

💡 Emerging Threats from AI-Powered Attacks

Artificial intelligence enables more convincing phishing content, faster vulnerability discovery, and adaptive attack strategies that learn from defensive responses. AI-generated social engineering and automated exploit development represent growing threats.

🔍 Check Any IP Address

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