ABUSE.MOM
THREAT REPORT

IP Threat Report
88.151.33.86

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 07:01:50
First seen: 2026-04-30 04:00:06
Last seen: 2026-05-03 21:00:05
220

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 220/100. Total malicious requests observed: 2.

UA_CHANGEDDANGER_PATHBURSTREFERERRATIO_404
01

Geolocation & Classification

IP Address
88.151.33.86
Type
Residential
Country
🇳🇱 Netherlands
City
Dronten
ISP
NextGenWebs, S.L.
Organization
NextGenWebs, S.L
Autonomous System
AS41608 NextGenWebs, S.L.
Hit Count
2
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA changed for same IPMultiple User-Agents — bot rotation technique+25
Danger strong hits: 18High-risk paths: shells, RCE vectors, exploits+100
Burst: 37 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 37 req / 10sAbnormally fast request rate — automated scanning+35
Foreign referer seenReferer from unrelated external domain+10
Danger strong hits: 12High-risk paths: shells, RCE vectors, exploits+100
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Burst: 15 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 22 req / 10sAbnormally fast request rate — automated scanning+35
Σ = 390
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

2026-04-30 04:00:06
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA changed for same IP (+25), Danger strong hits: 18 (+100), Burst: 37 req / 2s (+35)
2026-05-03 21:00:05
Last malicious request observed
Total score reached: 220/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

NextGenWebs, S.L.
AS41608 · 🇳🇱 Netherlands
06

Recommendations

Actions taken & recommended

  • IP 88.151.33.86 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 88.151.33.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🤖 Bot Detection

Address UA spoofing from 88.151.33.86: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

🌊 Traffic Flood Defense

IP 88.151.33.86 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🔎 Directory Scan Defense

IP 88.151.33.86 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

07

Neighbors in 88.151.33.0/24

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.

⛔ LISTED
zen.spamhaus.org
✓ Clean
ix.dnsbl.manitu.net
✓ Clean
dnsbl.sorbs.net
✓ Clean
dnsbl-1.uceprotect.net
✓ Clean
bl.spamcop.net
✓ Clean
b.barracudacentral.org
✓ Clean
psbl.surriel.com
✓ Clean
truncate.gbudb.net

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

10

Threat Analysis

88.151.33.86 has been assigned a threat score of 220/100 (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:

User-Agent AnomalyRequest FloodingPath Enumeration

📊 Threat Analysis

Our monitoring infrastructure has identified 88.151.33.86, geolocated to Dronten, Netherlands, operating on the network of NextGenWebs, S.L., as a source of suspicious network activity. During its 3-day observation window, we recorded 2 hostile requests from this IP — roughly 0.7 per day on average. This residential IP is likely a compromised consumer device. Home routers and IoT equipment with default credentials are prime targets for botnet operators. The diversity of 3 separate attack methods suggests a comprehensive attack toolkit — likely an automated scanner that tests for vulnerabilities across multiple categories. Netherlands currently accounts for 169 blocked IPs in our database, making it a significant source of malicious traffic. With a threat score of 220/100, this IP is among the most dangerous addresses in our database. Immediate and complete blocking is strongly recommended.

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

🇳🇱 Top threats from Netherlands

185.184.192.251 (338)45.88.138.44 (320)45.82.64.236 (315)5.181.169.192 (313)157.22.73.141 (313)View all →

🏢 Same network: AS41608

88.151.34.212 (280)88.151.32.161 (240)88.151.32.201 (230)88.151.34.46 (230)88.151.34.241 (230)View all →
12

Security Intelligence

💡 TLS Fingerprinting (JA3/JA4)

TLS fingerprinting creates unique identifiers based on how clients negotiate encrypted connections. The JA3 and JA4 methods generate hashes from TLS ClientHello parameters, enabling identification of specific tools and malware regardless of IP address changes.

💡 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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