ABUSE.MOM
THREAT REPORT

IP Threat Report
172.241.20.90

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 08:25:19
First seen: 2026-05-26 19:40:30
Last seen: 2026-05-30 08:11:07
165

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 165/100. Total malicious requests observed: 538.

BURSTDANGER_PATHRATIO_404REDIRECT_PROBEREFERERUA_CHANGED
01

Geolocation & Classification

IP Address
172.241.20.90
Type
Hosting
Country
🇺🇸 United States
City
New York
ISP
Leaseweb USA, Inc.
Organization
LeaseWeb USA, Inc. New York
Autonomous System
AS396362 Leaseweb USA, Inc.
Hit Count
538
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Burst 6/2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 10Medium-risk: admin panels, config files+60
Danger medium hits: 5Medium-risk: admin panels, config files+50
Foreign refererReferer from unrelated external domain+10
Probe 302→404Behavioral anomaly detected by automated analysis+20
UA changedMultiple User-Agents — bot rotation technique+25
Σ = 215
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

2026-05-26 19:40:30
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio 40-60% (+15), Burst 6/2s (+35), Danger medium hits: 10 (+60)
2026-05-30 08:11:07
Last malicious request observed
Total score reached: 165/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Leaseweb USA, Inc.
AS396362 · 🇺🇸 United States
06

Recommendations

Actions taken & recommended

  • IP 172.241.20.90 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 172.241.20.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🔎 Path Enumeration Protection

Block scanning from 172.241.20.90: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

🌊 Traffic Flood Defense

IP 172.241.20.90 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🤖 User-Agent Anomaly Defense

IP 172.241.20.90 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

07

Neighbors in 172.241.20.0/24

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.blocklist.de
✓ Clean
psbl.surriel.com
✓ Clean
bl.spamcop.net
✓ Clean
dnsbl.dronebl.org
✓ Clean
spam.dnsbl.sorbs.net
✓ Clean
cbl.abuseat.org
✓ Clean
b.barracudacentral.org

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

10

Threat Analysis

172.241.20.90 has been assigned a threat score of 165/100 (Critical). This places it in the critical threat category. Immediate blocking is strongly advised across all network perimeters.

The following attack categories were identified:

Path EnumerationRequest FloodingUser-Agent Anomaly

📊 Threat Analysis

Our monitoring infrastructure has identified 172.241.20.90, geolocated to New York, United States, operating on the network of Leaseweb USA, Inc., as a source of suspicious network activity. The address has been active for 3 days in our monitoring system, producing 538 flagged requests at a rate of ~179.3/day. Operating from datacenter infrastructure, this IP is typical of addresses used in organized attack operations. Cloud and VPS providers are commonly exploited as launching platforms for automated scanning. The combination of 3 distinct attack vectors indicates a sophisticated, multi-pronged threat actor deploying automated tools that probe multiple attack surfaces simultaneously. With 145 flagged addresses, United States represents a significant presence in our threat database. With a threat score of 165/100, 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

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🏢 Same network: AS396362

136.0.186.170 (165)142.234.203.171 (130)142.234.203.63 (115)142.234.203.224 (105)23.105.159.243 (105)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.

💡 Autonomous System Analysis

Analyzing attack patterns at the AS (Autonomous System) level reveals which networks harbor the most malicious activity. Some ASes have abuse rates orders of magnitude higher than average, indicating lax enforcement of acceptable use policies.

🔍 Check Any IP Address

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