ABUSE.MOM
THREAT REPORT

IP Threat Report
20.203.249.16

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 07:58:34
First seen: 2026-02-22 17:00:06
Last seen: 2026-02-24 20:00:08
280

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 280/100. Total malicious requests observed: 38.

UA_SUSDANGER_PATHRATIO_404REDIRECT_PROBEBURST
01

Geolocation & Classification

IP Address
20.203.249.16
Type
Hosting
Country
🇨🇭 Switzerland
City
Zurich
ISP
Microsoft Corporation
Organization
Microsoft Azure Cloud (switzerlandnorth)
Autonomous System
AS8075 Microsoft Corporation
Hit Count
38
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA suspicious (short/empty)Behavioral anomaly detected by automated analysis+15
Danger strong hits: 2High-risk paths: shells, RCE vectors, exploits+50
Danger medium hits: 2Medium-risk: admin panels, config files+20
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Danger strong hits: 78High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 280Medium-risk: admin panels, config files+60
Burst: 15 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 55 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 16 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 56 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: 3High-risk paths: shells, RCE vectors, exploits+75
Danger strong hits: 65High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 150Medium-risk: admin panels, config files+60
Danger strong hits: 4High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 3Medium-risk: admin panels, config files+30
Burst: 57 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 44High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 149Medium-risk: admin panels, config files+60
Burst: 47 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 32High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 109Medium-risk: admin panels, config files+60
Danger strong hits: 16High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 55Medium-risk: admin panels, config files+60
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Burst: 54 req / 2sAbnormally fast request rate — automated scanning+35
Danger strong hits: 48High-risk paths: shells, RCE vectors, exploits+100
Danger strong hits: 64High-risk paths: shells, RCE vectors, exploits+100
Burst: 65 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 111 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 67 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 200 req / 10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 164Medium-risk: admin panels, config files+60
Burst: 57 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 167 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 46High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 152Medium-risk: admin panels, config files+60
Burst: 66 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 162 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 47 req / 2sAbnormally fast request rate — automated scanning+35
Danger strong hits: 68High-risk paths: shells, RCE vectors, exploits+100
Burst: 68 req / 2sAbnormally fast request rate — automated scanning+35
Σ = 2300
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

2026-02-22 17:00:06
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: 2 (+50), Danger medium hits: 2 (+20)
2026-02-24 20:00:08
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 · 🇨🇭 Switzerland
06

Recommendations

Actions taken & recommended

  • IP 20.203.249.16 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 20.203.249.0/24
  • 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 20.203.249.16: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

🔎 Path Enumeration Protection

Block scanning from 20.203.249.16: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

🌊 Traffic Flood Defense

IP 20.203.249.16 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

07

Neighbors in 20.203.249.0/24

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.

⛔ LISTED
Spamhaus ZEN

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

10

Threat Analysis

20.203.249.16 has been assigned a threat score of 280/100 (Critical). This is a critical-level threat. Systems administrators should treat this IP as hostile and block all inbound connections without exception.

The following attack categories were identified:

User-Agent AnomalyPath EnumerationRequest Flooding

📊 Threat Analysis

Threat intelligence analysis has linked 20.203.249.16 to malicious activity originating from Zurich, Switzerland, operating on the network of Microsoft Corporation. The address has been under observation since its initial detection. The address has been active for 2 days in our monitoring system, producing 38 flagged requests at a rate of ~19/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 102 malicious IPs originating from Switzerland, 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 Switzerland

51.107.69.151 (280)20.250.10.152 (280)20.203.180.135 (280)20.203.136.132 (280)20.203.129.217 (280)View all →

🏢 Same network: AS8075

74.241.249.229 (340)20.151.111.128 (308)4.182.24.88 (285)20.65.61.3 (283)4.205.39.97 (283)View all →
12

Security Intelligence

💡 HTTP Header Analysis for Threat Detection

Examining HTTP headers beyond User-Agent reveals attack tools and automated scripts. Missing standard headers, unusual ordering, non-standard values, and inconsistencies with claimed client identity all serve as reliable detection signals.

💡 Brute Force Attack Mechanics

Brute force attacks systematically try username and password combinations to gain unauthorized access. Modern attacks leverage credential databases from previous breaches, testing millions of combinations using distributed botnets across multiple IP addresses.

🔍 Check Any IP Address

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