ABUSE.MOM
THREAT REPORT

IP Threat Report
51.159.194.100

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-10-25 08:54:26
First seen: 2026-09-18 20:29:30
Last seen: 2026-09-20 02:16:05
145

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 145/100. Total malicious requests observed: 35.

BOT_UABURSTREFERERUA_CHANGED
01

Geolocation & Classification

IP Address
51.159.194.100
Type
Hosting
Country
🇫🇷 France
City
Paris
ISP
SCALEWAY
Organization
ONLINE
Autonomous System
AS12876 Scaleway SAS
Hit Count
35
02

Detection Signatures

SignatureDescriptionPointsSeverity
Burst 49/2sAbnormally fast request rate — automated scanning+35
Burst 58/10sAbnormally fast request rate — automated scanning+35
Foreign refererReferer from unrelated external domain+10
UA bot: pythonKnown bot/crawler User-Agent detected+40
UA changedMultiple User-Agents — bot rotation technique+25
Σ = 145
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

2026-09-18 20:29:30
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Burst 49/2s (+35), Burst 58/10s (+35), Foreign referer (+10)
2026-09-20 02:16:05
Last malicious request observed
Total score reached: 145/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

SCALEWAY
AS12876 · 🇫🇷 France

We have detected 266 malicious IPs from this autonomous system.

View all IPs from AS12876 →
06

Recommendations

Actions taken & recommended

  • IP 51.159.194.100 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 51.159.194.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🌊 Traffic Flood Defense

IP 51.159.194.100 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🤖 User-Agent Anomaly Defense

IP 51.159.194.100 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

07

Neighbors in 51.159.194.0/24

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

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

10

Threat Analysis

51.159.194.100 has been assigned a threat score of 145/100 (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:

Request FloodingUser-Agent Anomaly

📊 Threat Analysis

Our monitoring infrastructure has identified 51.159.194.100, geolocated to Paris, France, operating on the network of SCALEWAY, as a source of suspicious network activity. The address has been active for 1 days in our monitoring system, producing 35 flagged requests at a rate of ~35/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. Two attack patterns were identified (Request Flooding and User-Agent Anomaly), suggesting a semi-automated campaign that targets multiple vulnerabilities. France currently accounts for 2,410 blocked IPs in our database, making it a major source of malicious traffic. A score of 145/100 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

🇫🇷 Top threats from France

185.177.72.51 (348)185.177.72.52 (348)185.177.72.29 (348)185.177.72.16 (348)185.177.72.56 (348)View all →

🏢 Same network: AS12876

62.210.129.237 (205)51.15.217.215 (170)212.47.252.170 (170)195.154.16.155 (165)51.159.110.25 (163)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.

💡 Dark Web Intelligence Gathering

Monitoring dark web forums and marketplaces provides advance warning of planned attacks, leaked credentials, and compromised data. This intelligence feeds into proactive defense measures before attacks reach their targets.

🔍 Check Any IP Address

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