ABUSE.MOM
THREAT REPORT

IP Threat Report
172.212.190.121

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-26 21:02:56
First seen: 2026-05-23 01:55:24
Last seen: 2026-05-24 10:09:33
280

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 280/100. Total malicious requests observed: 200.

BURSTDANGER_PATHRATIO_404REDIRECT_PROBEUA_SUS
01

Geolocation & Classification

IP Address
172.212.190.121
Type
Hosting
Country
🇺🇸 United States
City
Des Moines
ISP
Microsoft Corporation
Organization
Microsoft Azure Cloud (centralus)
Autonomous System
AS8075 Microsoft Corporation
Hit Count
200
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Burst 18/2sAbnormally fast request rate — automated scanning+35
Burst 19/2sAbnormally fast request rate — automated scanning+35
Burst 20/2sAbnormally fast request rate — automated scanning+35
Burst 58/10sAbnormally fast request rate — automated scanning+35
Burst 65/10sAbnormally fast request rate — automated scanning+35
Burst 68/10sAbnormally fast request rate — automated scanning+35
Burst 70/10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 252Medium-risk: admin panels, config files+60
Danger medium hits: 363Medium-risk: admin panels, config files+60
Danger medium hits: 386Medium-risk: admin panels, config files+60
Danger medium hits: 504Medium-risk: admin panels, config files+60
Danger medium hits: 725Medium-risk: admin panels, config files+60
Danger strong hits: 12High-risk paths: shells, RCE vectors, exploits+100
Danger strong hits: 16High-risk paths: shells, RCE vectors, exploits+100
Danger strong hits: 8High-risk paths: shells, RCE vectors, exploits+100
Probe 302→404Behavioral anomaly detected by automated analysis+20
UA suspiciousBehavioral anomaly detected by automated analysis+15
Σ = 895
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

2026-05-23 01:55:24
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio 40-60% (+15), Burst 18/2s (+35), Burst 19/2s (+35)
2026-05-24 10:09:33
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 · 🇺🇸 United States
06

Recommendations

Actions taken & recommended

  • IP 172.212.190.121 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 172.212.190.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🔎 Directory Scan Defense

IP 172.212.190.121 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 172.212.190.121.

🤖 Bot Detection

Address UA spoofing from 172.212.190.121: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

07

Neighbors in 172.212.190.0/24

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

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

10

Threat Analysis

172.212.190.121 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:

Path EnumerationRequest FloodingUser-Agent Anomaly

📊 Threat Analysis

Network traffic from 172.212.190.121, located in Des Moines, United States, operating on the network of Microsoft Corporation, has been classified as malicious by our automated threat scoring engine. During its 1-day observation window, we recorded 200 hostile requests from this IP — roughly 200 per day on average. 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. Our records show 103 malicious IPs originating from United States, positioning it as a significant contributor to global threat activity. A score of 280/100 places this address in the top tier of severity. Block and investigate any historical connections.

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

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🏢 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

💡 DDoS Mitigation Approaches

Distributed denial of service attacks overwhelm infrastructure with traffic volume. Effective mitigation combines always-on traffic scrubbing, anycast network distribution, rate limiting, and the ability to quickly scale absorption capacity during attacks.

💡 Threat Score Calculation Methods

Threat scoring combines multiple signals — request patterns, known signatures, IP reputation, geographic risk, and behavioral analysis — into a single actionable metric. Weighted scoring models allow tuning sensitivity to balance security with usability.

🔍 Check Any IP Address

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