178.137.16.109📋 Copy

# IP INTELLIGENCE BRIEFING

Target: 178.137.16.109

Classification: Provider Network / High-Risk Subnet

Risk Score: 65/100 (Moderate Risk)

Last Updated: 2026-06-24

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## EXECUTIVE SUMMARY

IP address 178.137.16.109 is a residential broadband endpoint operated by Kyivstar PJSC (ASN 15895) in Kyiv, Ukraine. The IP is assigned to a high-abuse-density subnet (178.137.16.0/24) with 65.6% abuse classification. While the individual IP shows no active threat indicators, its neighborhood exhibits elevated malicious activity, warranting defensive monitoring and filtering.

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## OWNERSHIP & GEOGRAPHIC CONTEXT

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## THREAT ASSESSMENT

Current Risk Profile:

• Risk Score: 65/100
• Abuse Confidence: Not scored (null)
• Blacklist Status: 0 active blacklists
• DNSBL Listings: 3 of 8 total lists
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No

Control Plane Observations:

• Route Stability: Unstable (route changes detected in 30d window)
• RPKI State: Not verified
• DNSSEC Valid: Yes
• Operator Score: 0.1304 (Minimal)

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## NEIGHBORHOOD ANALYSIS

Subnet: 178.137.16.0/24

• Total Siblings: 256
• Active Siblings: 186
• Threat Siblings: 168
• Abuse Density: 65.62%
• Classification: High Abuse

Risk Distribution in /24:

• High Risk: 7 IPs
• Medium Risk: 93 IPs
• Low Risk: 0 IPs

Notable Neighbors:

• 178.137.16.0: Risk 50
• 178.137.16.1: Risk 65
• 178.137.16.2: Risk 65
• 178.137.16.3: Risk 65
• 178.137.16.4: Risk 65

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## OBSERVATION HISTORY

Signal Observations: 23 total records

• Most recent: 2026-06-24T04:58:46
• Signal Types: Geolocation, Routing, Threat Indicators, Ownership
• Threat Persistence Days: 0
• Is Persistently Malicious: No

Key Historical Signals:

• 2026-06-24: Operator score 0, minimal threat signals
• 2026-06-04: Threat indicators detected with 50+ pulse matches from AlienVault OTX

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## NETWORK RELATIONSHIPS

Connected Entities: 52 relationship entries

• Primary Network: KYIVSTAR-NET-7 (multiple associations)
• Network Type: Same Network associations

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## RECOMMENDED DEFENSIVE ACTIONS

Priority: HIGH

1. Firewall Blocking

```bash

# iptables

iptables -A INPUT -s 178.137.16.109 -j DROP

# nftables

nft add rule inet filter input ip saddr 178.137.16.109 drop

```

2. WAF Integration

• Cloudflare WAF: Block 178.137.16.109 (expression: ip.src eq 178.137.16.109)
• AWS WAF: Block 178.137.16.109/32
• Nginx: `deny 178.137.16.109;`
• pfSense: Block rule for 178.137.16.109/32

3. Monitoring Enhancements

• Increase logging verbosity for this IP
• Review recent activity patterns
• Consider blocking entire /24 subnet if threat context warrants

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## ANALYST NOTES

This IP resides in a high-risk residential broadband subnet commonly associated with compromised endpoints. The 65.62% abuse density of 178.137.16.0/24 indicates systematic abuse patterns. While this specific endpoint shows no active malicious indicators, its neighborhood profile suggests potential for future compromise. Recommend blocking at perimeter and maintaining enhanced logging for forensic analysis capability.

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