ABUSE.MOM
THREAT REPORT

IP Threat Report
104.28.234.183

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-09-13 01:26:38
First seen: 2026-08-12 10:22:41
Last seen: 2026-08-15 23:28:41
228

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 228/100. Total malicious requests observed: 121.

BURSTDANGER_PATHMETHODRATIO_404REFERERUA_CHANGED
01

Geolocation & Classification

IP Address
104.28.234.183
Type
VPN
Country
🇺🇸 United States
City
New York
ISP
Cloudflare, Inc.
Organization
Cloudflare WARP
Autonomous System
AS13335 Cloudflare, Inc.
Hit Count
121
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Burst 33/2sAbnormally fast request rate — automated scanning+35
Burst 36/2sAbnormally fast request rate — automated scanning+35
Burst 79/10sAbnormally fast request rate — automated scanning+35
Burst 85/10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 27High-risk paths: shells, RCE vectors, exploits+100
Foreign refererReferer from unrelated external domain+10
POST seenBehavioral anomaly detected by automated analysis+8
UA changedMultiple User-Agents — bot rotation technique+25
Σ = 298
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

2026-08-12 10:22:41
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio 40-60% (+15), Burst 33/2s (+35), Burst 36/2s (+35)
2026-08-15 23:28:41
Last malicious request observed
Total score reached: 228/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Cloudflare, Inc.
AS13335 · 🇺🇸 United States
06

Recommendations

Actions taken & recommended

  • IP 104.28.234.183 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 104.28.234.0/24
  • 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 104.28.234.183: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

🌊 Traffic Flood Defense

IP 104.28.234.183 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🤖 Bot Detection

Address UA spoofing from 104.28.234.183: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

07

Neighbors in 104.28.234.0/24

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

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

10

Threat Analysis

104.28.234.183 has been assigned a threat score of 228/100 (Critical). This represents a critical risk level. Our detection systems have flagged multiple high-confidence indicators of malicious intent from this address.

The following attack categories were identified:

Path EnumerationRequest FloodingUser-Agent Anomaly

📊 Threat Analysis

Our monitoring infrastructure has identified 104.28.234.183, geolocated to New York, United States, operating on the network of Cloudflare, Inc., as a source of suspicious network activity. The address has been active for 3 days in our monitoring system, producing 121 flagged requests at a rate of ~40.3/day. Classified as a VPN or proxy server, this IP serves as an anonymization layer. While VPNs have legitimate uses, this address has been observed routing clearly malicious traffic. With 3 different attack patterns detected, this IP exhibits behavior characteristic of advanced automated scanning frameworks. Our records show 50 malicious IPs originating from United States, positioning it as a notable contributor to global threat activity. At 228/100, this is an extremely high-risk address. All traffic should be considered hostile.

This IP is associated with a VPN or proxy service. Attackers frequently route their traffic through anonymizing services to obscure their true location. This makes attribution more challenging but the malicious behavior patterns remain detectable.

11

Related Threats

🇺🇸 Top threats from United States

104.28.205.84 (298)104.28.234.181 (288)104.28.234.180 (283)104.28.236.175 (280)104.28.251.192 (280)View all →

🏢 Same network: AS13335

104.28.192.67 (340)104.28.240.58 (305)104.28.205.84 (298)104.28.217.137 (298)104.28.234.181 (288)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.

💡 Responsible Disclosure Ethics

Responsible disclosure balances public safety with giving vendors time to patch vulnerabilities. The security community generally supports coordinated disclosure timelines, but disagreements about appropriate timeframes and full disclosure continue to drive policy debates.

🔍 Check Any IP Address

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