ABUSE.MOM
THREAT REPORT

IP Threat Report
20.166.9.204

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 12:03:38
First seen: 2026-04-03 04:00:07
Last seen: 2026-05-09 06:00:08
280

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 280/100. Total malicious requests observed: 151.

UA_SUSDANGER_PATHBURSTRATIO_404REDIRECT_PROBE
01

Geolocation & Classification

IP Address
20.166.9.204
Type
Hosting
Country
🇮🇪 Ireland
City
Dublin
ISP
Microsoft Corporation
Organization
Microsoft Azure Cloud (northeurope)
Autonomous System
AS8075 Microsoft Corporation
Hit Count
151
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA suspicious (short/empty)Behavioral anomaly detected by automated analysis+15
Danger strong hits: 3High-risk paths: shells, RCE vectors, exploits+75
Danger medium hits: 8Medium-risk: admin panels, config files+60
Burst: 12 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 12 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 2High-risk paths: shells, RCE vectors, exploits+50
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Burst: 8 req / 2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 4Medium-risk: admin panels, config files+40
Danger medium hits: 6Medium-risk: admin panels, config files+60
Burst: 9 req / 2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 2Medium-risk: admin panels, config files+20
Danger strong hits: 40High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 158Medium-risk: admin panels, config files+60
Burst: 57 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 200 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 21Medium-risk: admin panels, config files+60
Burst: 29 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 32 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 32 req / 2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 19Medium-risk: admin panels, config files+60
Burst: 29 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 6 req / 2sAbnormally fast request rate — automated scanning+35
Danger strong hits: 9High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 152Medium-risk: admin panels, config files+60
Burst: 53 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 159 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 56 req / 2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 48Medium-risk: admin panels, config files+60
Burst: 55 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 72 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 43 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 48 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 48 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 46 req / 2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 16Medium-risk: admin panels, config files+60
Burst: 24 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 24 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 16 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 16 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 14Medium-risk: admin panels, config files+60
Burst: 14 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 14 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 12Medium-risk: admin panels, config files+60
Burst: 18 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 18 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 1High-risk paths: shells, RCE vectors, exploits+25
Danger medium hits: 1Medium-risk: admin panels, config files+10
Danger strong hits: 6High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 355Medium-risk: admin panels, config files+60
Burst: 51 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 177 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 187 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 8High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 533Medium-risk: admin panels, config files+60
Burst: 49 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 170 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 35 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 115 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 50Medium-risk: admin panels, config files+60
Burst: 75 req / 10sAbnormally fast request rate — automated scanning+35
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Danger strong hits: 398High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 923Medium-risk: admin panels, config files+60
Burst: 50 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 161 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 400High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 927Medium-risk: admin panels, config files+60
Burst: 176 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 785High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 1382Medium-risk: admin panels, config files+60
Burst: 137 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 4High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 20Medium-risk: admin panels, config files+60
Burst: 30 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 30 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 18Medium-risk: admin panels, config files+60
Burst: 27 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 27 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 12High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 84Medium-risk: admin panels, config files+60
Burst: 84 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 24High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 126Medium-risk: admin panels, config files+60
Burst: 168 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 82Medium-risk: admin panels, config files+60
Burst: 82 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 26Medium-risk: admin panels, config files+60
Burst: 39 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 39 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 13Medium-risk: admin panels, config files+60
Burst: 13 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 13 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 26 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 26 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 239High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 608Medium-risk: admin panels, config files+60
Burst: 198 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 180 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 359High-risk paths: shells, RCE vectors, exploits+100
Burst: 54 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 193 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 166 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 194 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 479High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 914Medium-risk: admin panels, config files+60
Burst: 192 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 9Medium-risk: admin panels, config files+60
Burst: 5 req / 2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 56Medium-risk: admin panels, config files+60
Burst: 56 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 42 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 44 req / 2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 102Medium-risk: admin panels, config files+60
Burst: 102 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 153Medium-risk: admin panels, config files+60
Burst: 196 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 16High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 306Medium-risk: admin panels, config files+60
Danger medium hits: 51Medium-risk: admin panels, config files+60
Burst: 51 req / 10sAbnormally fast request rate — automated scanning+35
Σ = 5900
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

2026-04-03 04:00:07
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: 3 (+75), Danger medium hits: 8 (+60)
2026-05-09 06:00:08
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 · 🇮🇪 Ireland
06

Recommendations

Actions taken & recommended

  • IP 20.166.9.204 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 20.166.9.0/24
  • 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 20.166.9.204 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

🌊 Traffic Flood Defense

IP 20.166.9.204 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🔎 Directory Scan Defense

IP 20.166.9.204 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

07

Neighbors in 20.166.9.0/24

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

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

10

Threat Analysis

20.166.9.204 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 AnomalyRequest FloodingPath Enumeration

📊 Threat Analysis

Our monitoring infrastructure has identified 20.166.9.204, geolocated to Dublin, Ireland, operating on the network of Microsoft Corporation, as a source of suspicious network activity. Over a period of 36 days, this IP generated 151 malicious requests, averaging approximately 4.2 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. Our records show 101 malicious IPs originating from Ireland, positioning it as a significant contributor to global threat activity. 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 Ireland

40.69.27.251 (280)20.166.38.178 (280)40.113.19.56 (280)40.112.95.11 (280)52.169.119.118 (280)View all →

🏢 Same network: AS8075

40.69.27.251 (280)20.166.38.178 (280)40.113.19.56 (280)40.112.95.11 (280)52.169.119.118 (280)View all →
12

Security Intelligence

💡 User-Agent Analysis Techniques

Analyzing User-Agent strings reveals automated tools masquerading as legitimate browsers. Inconsistencies between claimed browser capabilities and actual behavior, impossible version combinations, and known scanner signatures help identify malicious clients.

💡 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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