ABUSE.MOM
THREAT REPORT

IP Threat Report
4.204.226.21

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 08:05:28
First seen: 2026-03-15 23:00:05
Last seen: 2026-04-11 09:00:07
280

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 280/100. Total malicious requests observed: 20.

UA_SUSDANGER_PATHREDIRECT_PROBEBURSTRATIO_404
01

Geolocation & Classification

IP Address
4.204.226.21
Type
Hosting
Country
🇨🇦 Canada
City
Toronto
ISP
Microsoft Corporation
Organization
Microsoft Azure Cloud (canadacentral)
Autonomous System
AS8075 Microsoft Corporation
Hit Count
20
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA suspicious (short/empty)Behavioral anomaly detected by automated analysis+15
Danger strong hits: 64High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 151Medium-risk: admin panels, config files+60
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Burst: 21 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 58 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 65 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 150Medium-risk: admin panels, config files+60
Burst: 23 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 61 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 48High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 146Medium-risk: admin panels, config files+60
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Burst: 22 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 47 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 61High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 136Medium-risk: admin panels, config files+60
Burst: 72 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 149Medium-risk: admin panels, config files+60
Burst: 20 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 67 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 69 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 62High-risk paths: shells, RCE vectors, exploits+100
Burst: 74 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 43High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 119Medium-risk: admin panels, config files+60
Burst: 59 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 147Medium-risk: admin panels, config files+60
Burst: 76 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 21High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 32Medium-risk: admin panels, config files+60
Burst: 60 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 62 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 71 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 108High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 265Medium-risk: admin panels, config files+60
Burst: 63 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 14High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 80Medium-risk: admin panels, config files+60
Burst: 18 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 49 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 45High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 202Medium-risk: admin panels, config files+60
Danger strong hits: 2High-risk paths: shells, RCE vectors, exploits+50
Danger medium hits: 2Medium-risk: admin panels, config files+20
Danger strong hits: 58High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 204Medium-risk: admin panels, config files+60
Σ = 2540
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

2026-03-15 23:00:05
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: 64 (+100), Danger medium hits: 151 (+60)
2026-04-11 09:00:07
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 4.204.226.21 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

🤖 Bot Detection

Address UA spoofing from 4.204.226.21: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

🔎 Path Enumeration Protection

Block scanning from 4.204.226.21: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

🌊 Traffic Flood Defense

IP 4.204.226.21 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

09

Blacklist Status (DNSBL)

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

✓ Clean
dnsbl.sorbs.net
✓ Clean
ix.dnsbl.manitu.net
✓ Clean
zen.spamhaus.org
✓ Clean
dnsbl-1.uceprotect.net
✓ Clean
bl.spamcop.net
✓ Clean
psbl.surriel.com
✓ Clean
truncate.gbudb.net
✓ Clean
b.barracudacentral.org

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

10

Threat Analysis

4.204.226.21 has been assigned a threat score of 280/100 (Critical). A score this high marks a critical threat actor. This address has demonstrated persistent, aggressive malicious behavior across multiple detection vectors.

The following attack categories were identified:

User-Agent AnomalyPath EnumerationRequest Flooding

📊 Threat Analysis

Network traffic from 4.204.226.21, located in Toronto, Canada, operating on the network of Microsoft Corporation, has been classified as malicious by our automated threat scoring engine. Our sensors captured 20 malicious requests from this address across a 26-day span, reflecting a sustained attack cadence of ~0.8 requests per day. The IP is classified as hosting/datacenter infrastructure, commonly associated with rented servers used for automated attack campaigns, botnet command-and-control, or vulnerability scanning at scale. With 3 different attack patterns detected, this IP exhibits behavior characteristic of advanced automated scanning frameworks. With 110 flagged addresses, Canada represents a significant presence in our threat database. At 280/100, this is an extremely high-risk address. All traffic should be considered hostile.

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.

💡 Privacy-Preserving Threat Detection

Advanced techniques enable threat detection while minimizing privacy impact. Encrypted DNS, differential privacy in analytics, and federated learning for threat models allow effective security monitoring without unnecessary surveillance of legitimate user behavior.

🔍 Check Any IP Address

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