ABUSE.MOM
THREAT REPORT

IP Threat Report
158.220.91.156

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-07-29 03:03:28
First seen: 2026-05-31 17:24:07
Last seen: 2026-06-27 23:45:05
180

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 180/100. Total malicious requests observed: 236.

01

Geolocation & Classification

IP Address
158.220.91.156
Type
Unknown
Country
🇬🇧 United Kingdom
City
Portsmouth
ISP
Contabo GmbH
Organization
Contabo GmbH
Autonomous System
Unknown
Hit Count
236
02

Detection Signatures

SignatureDescriptionPointsSeverity
DDoS / FloodBehavioral anomaly detected by automated analysis+0
Σ = 0
03

Observed Activity

Reconstructed HTTP requests from server access logs. Target domains redacted for security.

[redacted]
GET
/
200
Requests shown: 1 · HTTP 404: 0 · Dangerous patterns: 0

* Typical request patterns for detected signatures. Actual target domains are redacted.

04

Timeline

2026-05-31 17:24:07
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
DDoS / Flood
2026-06-27 23:45:05
Last malicious request observed
Total score reached: 180/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
06

Recommendations

Actions taken & recommended

  • IP 158.220.91.156 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 158.220.91.0/24
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

⚙️ General Security

Add 158.220.91.156 to your firewall blocklist. Review logs for successful connections. Enable comprehensive logging on all public-facing services.

07

Neighbors in 158.220.91.0/24

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

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

10

Threat Analysis

158.220.91.156 has been assigned a threat score of 180/100 (Critical). This places it in the critical threat category. Immediate blocking is strongly advised across all network perimeters.

📊 Threat Analysis

Network traffic from 158.220.91.156, located in Portsmouth, United Kingdom, operating on the network of Contabo GmbH, has been classified as malicious by our automated threat scoring engine. During its 27-day observation window, we recorded 236 hostile requests from this IP — roughly 8.7 per day on average. United Kingdom currently accounts for 102 blocked IPs in our database, making it a significant source of malicious traffic. At 180/100, this is an extremely high-risk address. All traffic should be considered hostile.

11

Related Threats

🇬🇧 Top threats from United Kingdom

104.28.240.60 (340)104.28.208.60 (340)91.230.225.239 (305)91.230.225.147 (305)185.92.25.78 (305)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.

💡 HTTP Request Smuggling

Request smuggling exploits differences in how front-end and back-end servers parse HTTP requests. This technique can bypass security controls, poison web caches, and hijack other users sessions by desynchronizing request boundaries.

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