ABUSE.MOM
THREAT REPORT

IP Threat Report
51.89.230.111

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-10-24 23:18:11
First seen: 2026-10-04 12:58:09
Last seen: 2026-10-18 00:07:20
240

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 240/100. Total malicious requests observed: 1002.

BURSTDANGER_PATHRATIO_404REDIRECT_PROBEREFERER
01

Geolocation & Classification

IP Address
51.89.230.111
Type
Hosting
Country
🇬🇧 United Kingdom
City
London
ISP
OVH SAS
Organization
OVH Ltd
Autonomous System
AS16276 OVH SAS
Hit Count
1002
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 11/10sAbnormally fast request rate — automated scanning+35
Burst 11/2sAbnormally fast request rate — automated scanning+35
Burst 12/10sAbnormally fast request rate — automated scanning+35
Burst 12/2sAbnormally fast request rate — automated scanning+35
Burst 14/2sAbnormally fast request rate — automated scanning+35
Burst 16/2sAbnormally fast request rate — automated scanning+35
Burst 17/10sAbnormally fast request rate — automated scanning+35
Burst 17/2sAbnormally fast request rate — automated scanning+35
Burst 18/2sAbnormally fast request rate — automated scanning+35
Burst 24/10sAbnormally fast request rate — automated scanning+35
Burst 33/10sAbnormally fast request rate — automated scanning+35
Burst 48/10sAbnormally fast request rate — automated scanning+35
Burst 9/2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 1Medium-risk: admin panels, config files+10
Danger medium hits: 11Medium-risk: admin panels, config files+60
Danger medium hits: 12Medium-risk: admin panels, config files+60
Danger medium hits: 13Medium-risk: admin panels, config files+60
Danger medium hits: 24Medium-risk: admin panels, config files+60
Danger medium hits: 25Medium-risk: admin panels, config files+60
Danger medium hits: 36Medium-risk: admin panels, config files+60
Danger medium hits: 9Medium-risk: admin panels, config files+60
Danger strong hits: 1High-risk paths: shells, RCE vectors, exploits+25
Danger strong hits: 2High-risk paths: shells, RCE vectors, exploits+50
Danger strong hits: 4High-risk paths: shells, RCE vectors, exploits+100
Foreign refererReferer from unrelated external domain+10
Probe 302→404Behavioral anomaly detected by automated analysis+20
Σ = 1130
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

2026-10-04 12:58:09
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 11/10s (+35)
2026-10-18 00:07:20
Last malicious request observed
Total score reached: 240/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

OVH SAS
AS16276 · 🇬🇧 United Kingdom

We have detected 399 malicious IPs from this autonomous system.

View all IPs from AS16276 →
06

Recommendations

Actions taken & recommended

  • IP 51.89.230.111 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • 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 51.89.230.111 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

🌊 Traffic Flood Defense

IP 51.89.230.111 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

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

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

10

Threat Analysis

51.89.230.111 has been assigned a threat score of 240/100 (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 Flooding

📊 Threat Analysis

The address 51.89.230.111 originates from London, United Kingdom, operating on the network of OVH SAS. It was identified through automated analysis of incoming network traffic across monitored endpoints. During its 13-day observation window, we recorded 1,002 hostile requests from this IP — roughly 77.1 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. The dual attack vectors of Path Enumeration combined with Request Flooding indicate a coordinated assault rather than opportunistic scanning. United Kingdom currently accounts for 3,199 blocked IPs in our database, making it a major source of malicious traffic. With a threat score of 240/100, 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

🇬🇧 Top threats from United Kingdom

45.86.203.126 (350)45.138.12.41 (350)91.230.225.114 (350)45.138.12.46 (350)185.192.71.72 (350)View all →

🏢 Same network: AS16276

51.195.86.200 (310)51.75.142.41 (310)139.99.56.79 (310)54.38.200.157 (300)94.23.78.49 (275)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.

💡 Security Header Best Practices

HTTP security headers provide defense-in-depth with minimal implementation effort. Key headers include Strict-Transport-Security, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, and Permissions-Policy, each addressing specific attack vectors.

🔍 Check Any IP Address

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