ABUSE.MOM
THREAT REPORT

IP Threat Report
199.47.82.21

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 07:50:55
First seen: 2026-02-24 21:00:05
Last seen: 2026-05-30 07:44:07
130

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 130/100. Total malicious requests observed: 439.

BURSTDANGER_PATHRATIO_404REDIRECT_PROBE
01

Geolocation & Classification

IP Address
199.47.82.21
Type
Residential
Country
🇺🇸 United States
City
Portland
ISP
Turnitin LLC
Organization
Turnitin LLC
Autonomous System
AS46851 Turnitin LLC
Hit Count
439
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Burst 14/10sAbnormally fast request rate — automated scanning+35
Burst 15/10sAbnormally fast request rate — automated scanning+35
Burst 5/2sAbnormally fast request rate — automated scanning+35
Burst 6/2sAbnormally fast request rate — automated scanning+35
Burst 7/2sAbnormally fast request rate — automated scanning+35
Burst: 16 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 18 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 5 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 8 req / 2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 8Medium-risk: admin panels, config files+60
Probe 302→404Behavioral anomaly detected by automated analysis+20
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Σ = 455
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

2026-02-24 21:00:05
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio 40-60% (+15), 404 ratio >= 60% (+25), Burst 14/10s (+35)
2026-05-30 07:44:07
Last malicious request observed
Total score reached: 130/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Turnitin LLC
AS46851 · 🇺🇸 United States
06

Recommendations

Actions taken & recommended

  • IP 199.47.82.21 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 199.47.82.0/24
  • 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 199.47.82.21: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 199.47.82.21.

07

Neighbors in 199.47.82.0/24

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
zen.spamhaus.org
✓ Clean
cbl.abuseat.org
✓ Clean
spam.dnsbl.sorbs.net
✓ Clean
psbl.surriel.com
✓ 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

199.47.82.21 has been assigned a threat score of 130/100 (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:

Path EnumerationRequest Flooding

📊 Threat Analysis

Our monitoring infrastructure has identified 199.47.82.21, geolocated to Portland, United States, operating on the network of Turnitin LLC, as a source of suspicious network activity. Our sensors captured 439 malicious requests from this address across a 94-day span, reflecting a sustained attack cadence of ~4.7 requests per day. This residential IP is likely a compromised consumer device. Home routers and IoT equipment with default credentials are prime targets for botnet operators. The dual attack vectors of Path Enumeration combined with Request Flooding indicate a coordinated assault rather than opportunistic scanning. Our records show 104 malicious IPs originating from United States, positioning it as a significant contributor to global threat activity. A score of 130/100 places this address in the top tier of severity. Block and investigate any historical connections.

This IP is classified as residential, suggesting it may belong to a compromised home device, IoT botnet member, or an infected personal computer. Residential IPs involved in attacks often indicate malware infection without the owner's knowledge.

11

Related Threats

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104.28.246.115 (350)104.28.246.113 (340)104.28.246.116 (340)104.28.235.58 (340)104.28.246.122 (340)View all →

🏢 Same network: AS46851

199.47.82.20 (115)199.47.82.18 (90)199.47.82.19 (90)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.

💡 Supply Chain Security Challenges

Attacks targeting software supply chains compromise trusted update mechanisms to distribute malware at scale. Dependency confusion, typosquatting in package registries, and compromised build pipelines threaten even organizations with strong direct security postures.

🔍 Check Any IP Address

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