154.159.237.118📋 Copy

# IP Intelligence Briefing: 154.159.237.118

Classification: Moderate Risk | Date: 2024-01-XX | Status: Active Monitoring Recommended

---

## Executive Summary

IP address 154.159.237.118 is registered to Patrick Muiruri under ASN 36926 within the 154.159.0.0/16 block (afriNIC region). The IP demonstrates a risk score of 55/100 (Moderate Risk) with no open services detected. The address is geolocated to Nairobi, Kenya, and resolves to Airtel Kenya DNS infrastructure. While not flagged as a known attacker or spam source, the IP shows evidence of DNSBL listings (3 of 8 total), warranting enhanced monitoring.

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## Ownership and Geolocation

DNS Resolution: 118-237-159-154.r.airtelkenya.com (PTR record indicates Airtel Kenya infrastructure)

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## Network Classification

• Network Role: Firewalled / No Services Detected
• Open Ports: None
• Infrastructure Type: Not Cloud, Not CDN, Not VPN, Not Proxy
• Is Tor Exit: No
• Is Known Attacker: No
• Is Spam Source: No
• Blacklist Count: 0 (direct blacklist hits)

---

## Threat Indicators and Risk Assessment

Current Risk Score: 55/100 (Moderate)

Control Plane Data:

• DNSBL Listed: 3 of 8 total lists
• Operator Score: 0.2174 (Minimal)
• Route Stability: Unstable
• RPKI State: Not verified
• IRR Consistency: Not verified

Threat Signals:

• No active threat campaigns identified
• No associated malware or phishing indicators
• No known attacker reputation
• No spam source classification

---

## Neighborhood Analysis

Subnet: 154.159.237.0/24

Risk Distribution (21 sibling IPs):

• High Risk: 0
• Medium Risk: 7
• Low Risk: 4

Notable Neighboring IPs (Risk Score ≥ 40):

• 154.159.237.49 — Risk: 55
• 154.159.237.113 — Risk: 55
• 154.159.237.232 — Risk: 55
• 154.159.237.28 — Risk: 40
• 154.159.237.176 — Risk: 40
• 154.159.237.188 — Risk: 40
• 154.159.237.251 — Risk: 40

Abuse Density: 0.0 (Low overall subnet abuse)

---

## Observation History

Total Observations: 11 signals recorded

Recent Signals (2026-07-23):

• ASN/RIR lookup: 154.159.0.0/16, afriNIC (Confidence: 0.95)
• Geolocation: Nairobi, Kenya (Confidence: 0.70)
• Operator Score: Minimal (Confidence: 0.60)
• DNSBL Listings: 3 of 8 lists flagged (Confidence: 0.85)

Temporal Analysis:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Is Persistently Malicious: No
• Threat Observation Count: 0

---

## Recommended Actions

Immediate Mitigation

```bash

# iptables

iptables -A INPUT -s 154.159.237.118 -j DROP

# nftables

nft add rule inet filter input ip saddr 154.159.237.118 drop

# nginx

deny 154.159.237.118;

# pfSense

154.159.237.118/32

# Cloudflare WAF

{"description":"Block 154.159.237.118 — IPDebrief risk score 55","action":"block"}

# AWS WAF

{"Addresses":["154.159.237.118/32"],"Description":"IPDebrief risk 55"}

```

Monitoring Recommendations

1. Increase logging verbosity and review recent activity from this IP range

2. Monitor the 154.159.237.0/24 subnet for correlated activity

3. Consider blocking the entire /24 subnet if traffic volume warrants

4. Watch for service emergence on this IP (currently firewalled/no services)

---

## Intelligence Notes

• The IP belongs to a residential or business ISP infrastructure (Airtel Kenya DNS suffix)
• Moderate risk score without direct threat indicators suggests potential for opportunistic use
• DNSBL listings indicate prior abuse or reputation issues
• Neighboring IPs show similar risk profiles (multiple 55 and 40 score IPs), suggesting systemic subnet characteristics
• No persistent malicious behavior observed in historical data

Final Assessment: Block at perimeter, monitor for service emergence, consider broader subnet evaluation if legitimate traffic patterns do not emerge.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.