85.203.23.139📋 Copy

# INTELLIGENCE BRIEFING: 85.203.23.139/32

Classification: MODERATE RISK | Date: Current | Status: ACTIVE

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## EXECUTIVE SUMMARY

IP address 85.203.23.139 is associated with ASN 137409 (VPN Consumer Singapore, Republic of Singapore) and operates within the 85.203.23.0/24 subnet. The IP demonstrates moderate risk characteristics (Risk Score: 40) with no active threat indicators currently observed. However, the subnet exhibits elevated abuse density (0.5732), warranting enhanced monitoring.

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## OWNERSHIP & INFRASTRUCTURE

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## THREAT INDICATORS

Current Status: CLEAN

• Blacklist Count: 0
• DNSBL Listings: 1 of 8 total lists
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Threat Feeds: None active

Risk Assessment: The IP shows no active malicious behavior. Risk score of 40 reflects moderate reputation concerns primarily derived from subnet-level abuse patterns rather than direct IP-specific threats.

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## NETWORK CONTROL PLANE

• BGP Prefix: 85.203.23.0/24
• RPKI State: Not validated
• Route Stability: Unstable (false)
• DNSSEC: Valid
• Operator Score: 0.1304 (Minimal)
• Delegation Age: Insufficient data

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## NEIGHBORHOOD ANALYSIS

Subnet: 85.203.23.0/24

Risk Distribution: 100 medium-risk neighbors, 0 high-risk neighbors. The subnet shows concentrated medium-level risk activity across multiple endpoints.

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## OBSERVATION HISTORY

Total Observations: 16 signals

Recent telemetry indicates:

• Subnet classification: HIGH ABUSE (0.5732 abuse density)
• Geolocation inference: Singapore (45km accuracy radius)
• No persistent malicious behavior detected
• Ownership changes: 0

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## RELATIONSHIP GRAPH

All 13 relationship entries map to the same network entity: SINGAPORE-SG-85-203-23-0. No external organizational, hostname, or certificate relationships identified.

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## ACTIONABLE RECOMMENDATIONS

IMMEDIATE ACTIONS

1. Monitor Subnet Activity: 90 threat siblings in the /24 warrant subnet-level monitoring. Consider implementing traffic analysis on 85.203.23.0/24.

2. DNSBL Review: Investigate the single DNSBL listing to determine source and relevance.

3. Route Stability: Monitor BGP route changes for 85.203.23.0/24 prefix.

FIREWALL RULES (Recommended)

```

# Monitor rather than block (Moderate Risk)

iptables -A INPUT -s 85.203.23.139/32 -j LOG --log-prefix "IPDB-85.203.23.139: "

# If business policy requires blocking subnet:

# iptables -A INPUT -s 85.203.23.0/24 -j DROP

```

SOC PRIORITY

LOW-MEDIUM – No immediate threat indicators. Focus on subnet-level intelligence gathering and correlation with other high-risk endpoints in the 85.203.23.0/24 range.

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END OF BRIEFING

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