ABUSE.MOM
THREAT REPORT

IP Threat Report
52.138.31.241

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 07:22:49
First seen: 2026-02-27 17:00:05
Last seen: 2026-02-27 21:00:06
280

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 280/100. Total malicious requests observed: 7.

UA_SUSDANGER_PATHBURSTRATIO_404REDIRECT_PROBE
01

Geolocation & Classification

IP Address
52.138.31.241
Type
Hosting
Country
🇨🇦 Canada
City
Toronto
ISP
Microsoft Corporation
Organization
Microsoft Azure Cloud (canadacentral)
Autonomous System
AS8075 Microsoft Corporation
Hit Count
7
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA suspicious (short/empty)Behavioral anomaly detected by automated analysis+15
Danger strong hits: 24High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 294Medium-risk: admin panels, config files+60
Burst: 20 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 66 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 21High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 275Medium-risk: admin panels, config files+60
Burst: 23 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 70 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 18High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 196Medium-risk: admin panels, config files+60
Burst: 76 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 24 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 88 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 87 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 22 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 77 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 12High-risk paths: shells, RCE vectors, exploits+100
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Burst: 85 req / 10sAbnormally fast request rate — automated scanning+35
Σ = 1015
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

2026-02-27 17:00:05
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA suspicious (short/empty) (+15), Danger strong hits: 24 (+100), Danger medium hits: 294 (+60)
2026-02-27 21:00:06
Last malicious request observed
Total score reached: 280/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Microsoft Corporation
AS8075 · 🇨🇦 Canada
06

Recommendations

Actions taken & recommended

  • IP 52.138.31.241 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

🤖 User-Agent Anomaly Defense

IP 52.138.31.241 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 52.138.31.241.

🔎 Directory Scan Defense

IP 52.138.31.241 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.

⛔ LISTED
Spamhaus ZEN

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

10

Threat Analysis

52.138.31.241 has been assigned a threat score of 280/100 (Critical). This places it in the critical threat category. Immediate blocking is strongly advised across all network perimeters.

The following attack categories were identified:

User-Agent AnomalyRequest FloodingPath Enumeration

📊 Threat Analysis

The address 52.138.31.241 originates from Toronto, Canada, operating on the network of Microsoft Corporation. It was identified through automated analysis of incoming network traffic across monitored endpoints. Over a period of 1 days, this IP generated 7 malicious requests, averaging approximately 7 requests per day. This address belongs to a datacenter or cloud hosting provider. Hosting IPs are frequently leveraged by threat actors who rent cheap VPS instances specifically for conducting attacks. With 3 different attack patterns detected, this IP exhibits behavior characteristic of advanced automated scanning frameworks. Canada currently accounts for 101 blocked IPs in our database, making it a significant source of malicious traffic. With a threat score of 280/100, this IP is among the most dangerous addresses in our database. Immediate and complete blocking is strongly recommended.

This IP belongs to a hosting or data center provider. Malicious traffic from hosting infrastructure often originates from compromised VPS instances, rented servers used for scanning campaigns, or abused free-tier cloud accounts. Hosting providers typically respond to abuse reports within 24-72 hours.

11

Related Threats

🇨🇦 Top threats from Canada

20.151.111.128 (308)45.91.23.64 (305)147.15.149.40 (300)148.116.72.171 (300)89.251.0.24 (295)View all →

🏢 Same network: AS8075

20.151.111.128 (308)4.205.39.97 (283)20.63.36.125 (280)20.151.220.171 (280)20.104.114.39 (280)View all →
12

Security Intelligence

💡 TLS Fingerprinting (JA3/JA4)

TLS fingerprinting creates unique identifiers based on how clients negotiate encrypted connections. The JA3 and JA4 methods generate hashes from TLS ClientHello parameters, enabling identification of specific tools and malware regardless of IP address changes.

💡 Dark Web Intelligence Gathering

Monitoring dark web forums and marketplaces provides advance warning of planned attacks, leaked credentials, and compromised data. This intelligence feeds into proactive defense measures before attacks reach their targets.

🔍 Check Any IP Address

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